Home / 5,332.50-7,358.86-2,974.78

Finding the Fourth Proportional to 5,332.50, 7,358.86 and 2,974.78

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Solution

The fourth proportional to 5,332.50, 7,358.86 and 2,974.78 is: 4,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.50 : 7,358.86 = 2,974.78 : x
  2. Step 2: Convert to fraction form
    5,332.50/7,358.86 = 2,974.78/x
  3. Step 3: Cross multiply
    5,332.50x = 7,358.86 × 2,974.78
  4. Step 4: Simplify right side
    5,332.50x = 21,890,989.55
  5. Step 5: Solve for x
    x = 21,890,989.55/5,332.50
  6. Step 6: Final answer
    x = 4,105.20

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1.5x scale

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.