Home / 7,572.27-11,358.29-1,949.90

Finding the Fourth Proportional to 7,572.27, 11,358.29 and 1,949.90

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Solution

The fourth proportional to 7,572.27, 11,358.29 and 1,949.90 is: 2,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.27 : 11,358.29 = 1,949.90 : x
  2. Step 2: Convert to fraction form
    7,572.27/11,358.29 = 1,949.90/x
  3. Step 3: Cross multiply
    7,572.27x = 11,358.29 × 1,949.90
  4. Step 4: Simplify right side
    7,572.27x = 22,147,463.13
  5. Step 5: Solve for x
    x = 22,147,463.13/7,572.27
  6. Step 6: Final answer
    x = 2,924.81

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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.