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A proportion is (one ratio) equal to (another ratio). 1/10 is only one ratio. Without another ratio, there's nothing you can do to it to make a proportion.
% rate = 107.5%= 1075/1000 * 100%= 1075/10 * 1%= 107.5%
Direct Proportion means that as one increases, the other also increases.Inverse proportion is the reciprocal of direct proportion. If something is in the direct proportion of 1:3, then the inversion proportion is 3:1.OrIndirect Proportion means that as one increases the other decreases, or one is directly proportional to 1 divided by the other. Example: Pressure is indirectly proportional to volume, or Pressure is directly proportional to 1/Volume.
It is: 4 to 1
Multiply 0.1 by 400 to get 40. This is how you find 10% of 400 without using proportion.