Home / 9,057.33-13,581.86-2,815.47

Finding the Fourth Proportional to 9,057.33, 13,581.86 and 2,815.47

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Solution

The fourth proportional to 9,057.33, 13,581.86 and 2,815.47 is: 4,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.33 : 13,581.86 = 2,815.47 : x
  2. Step 2: Convert to fraction form
    9,057.33/13,581.86 = 2,815.47/x
  3. Step 3: Cross multiply
    9,057.33x = 13,581.86 × 2,815.47
  4. Step 4: Simplify right side
    9,057.33x = 38,239,305.30
  5. Step 5: Solve for x
    x = 38,239,305.30/9,057.33
  6. Step 6: Final answer
    x = 4,221.92

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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.