Lamonicalewis89 - 14.01.2016 08:18How do you do advanced proportions with the letters and numbers

John Twist - 15.01.2016 00:37Solving proportions has to do with stating the ratios as fractions, setting the two fractions equal to each other, cross-multiplying, and solving the resulting equation. For example: 2 : x = 5 : 10 State both sides as a fraction and equal these to each other: 2/x=5/10 Cross-multiply: x*5=2*10 Solve: 5x=20 x=4 Simple