Home / 7,332.31-10,132.01-5,339.40

Finding the Fourth Proportional to 7,332.31, 10,132.01 and 5,339.40

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Solution

The fourth proportional to 7,332.31, 10,132.01 and 5,339.40 is: 7,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.31 : 10,132.01 = 5,339.40 : x
  2. Step 2: Convert to fraction form
    7,332.31/10,132.01 = 5,339.40/x
  3. Step 3: Cross multiply
    7,332.31x = 10,132.01 × 5,339.40
  4. Step 4: Simplify right side
    7,332.31x = 54,098,854.19
  5. Step 5: Solve for x
    x = 54,098,854.19/7,332.31
  6. Step 6: Final answer
    x = 7,378.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.