The ratio 3 to 4 is equivalent to the fraction 3/4. This means that for every 3 parts of one quantity, there are 4 parts of another quantity. In decimal form, this ratio is 0.75. Ratios are used to compare quantities and can be simplified by dividing both numbers by their greatest common factor.
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6:8, 9:12, 12:16 etc....
You should multiply or divide both numbers by the same number.
ex: 3x2=6 and 4x2=8
3x3=9 and 4x3=12
3x4=12 and 4x4=16
But if we have this ratio for example (12:16), we could also use division.
ex: 12÷2=6 and 16÷2=8
It is: 3 to 4
You express ratio as a fraction. For instance, the ratio of 3 to 4 is 3/4, or .75
4:28 = 1:7
There are infinitely many equivalent ratios to 15:5, eg 12:4, 30:10, 45:15, 60:20 The simplest form of the ratio is 15:5 = (3×5):(1×5) = 3:1
2 to 3