Home / 5,752.18-7,937.76-3,517.78

Finding the Fourth Proportional to 5,752.18, 7,937.76 and 3,517.78

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Solution

The fourth proportional to 5,752.18, 7,937.76 and 3,517.78 is: 4,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.18 : 7,937.76 = 3,517.78 : x
  2. Step 2: Convert to fraction form
    5,752.18/7,937.76 = 3,517.78/x
  3. Step 3: Cross multiply
    5,752.18x = 7,937.76 × 3,517.78
  4. Step 4: Simplify right side
    5,752.18x = 27,923,293.37
  5. Step 5: Solve for x
    x = 27,923,293.37/5,752.18
  6. Step 6: Final answer
    x = 4,854.38

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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.