3 term equivalent ratios with 2 variables

Question

0

718

1

Completely forgot how to solve these:

Find the missing values: $7:4:10=x:y:30$

Thanks in advance!

Guest Oct 11, 2017

Guest · Answer 1 · 2017-10-11T06:19:52

Never mind, I figured it out.

1. $\frac{\frac{7}{4}}{10}=\frac{\frac{x}{y}}{30}$

2. $\frac{3}{3}*\frac{7}{4}=\frac{x}{4}$

3. $\frac{21}{12}=\frac{x}{y}$

Finally: $x=21; y=12$