Home / 1,481.73-2,221.22-932.25

Finding the Fourth Proportional to 1,481.73, 2,221.22 and 932.25

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Solution

The fourth proportional to 1,481.73, 2,221.22 and 932.25 is: 1,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.73 : 2,221.22 = 932.25 : x
  2. Step 2: Convert to fraction form
    1,481.73/2,221.22 = 932.25/x
  3. Step 3: Cross multiply
    1,481.73x = 2,221.22 × 932.25
  4. Step 4: Simplify right side
    1,481.73x = 2,070,727.68
  5. Step 5: Solve for x
    x = 2,070,727.68/1,481.73
  6. Step 6: Final answer
    x = 1,397.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.