Home / 7,332.81-10,132.70-5,339.90

Finding the Fourth Proportional to 7,332.81, 10,132.70 and 5,339.90

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Solution

The fourth proportional to 7,332.81, 10,132.70 and 5,339.90 is: 7,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.81 : 10,132.70 = 5,339.90 : x
  2. Step 2: Convert to fraction form
    7,332.81/10,132.70 = 5,339.90/x
  3. Step 3: Cross multiply
    7,332.81x = 10,132.70 × 5,339.90
  4. Step 4: Simplify right side
    7,332.81x = 54,107,604.73
  5. Step 5: Solve for x
    x = 54,107,604.73/7,332.81
  6. Step 6: Final answer
    x = 7,378.84

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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.