Wotzdorfg

2021-08-16

To find the value of z.

Given:$\frac{3}{z}=\frac{-1.5}{27}$

Given:

gwibdaithq

Skilled2021-08-17Added 84 answers

Concept used:

As we know that from the definition, a mathematical equation signifying equality of two ratios is called as proportions. Proportion is used when three quantities are known and the fourth quantity is unknown. We can use equality of two ratios for finding the fourth unknown quantity. For example,

$\frac{a}{b}=\frac{c}{d}$

Calculation:

In the given proportion,

$\frac{3}{z}=\frac{-1.5}{27}$

By using, cross-multiplication method, we get

$3\times 27=-1.5z$

$z=-54$

Conclusion:

$z=-54$

As we know that from the definition, a mathematical equation signifying equality of two ratios is called as proportions. Proportion is used when three quantities are known and the fourth quantity is unknown. We can use equality of two ratios for finding the fourth unknown quantity. For example,

Calculation:

In the given proportion,

By using, cross-multiplication method, we get

Conclusion:

Jeffrey Jordon

Expert2021-12-20Added 2605 answers

Answer is given below (on video)

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