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# 3 term equivalent ratios with 2 variables

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Completely forgot how to solve these:

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

Guest Oct 11, 2017
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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: $$x=21; y=12$$

Guest Oct 11, 2017