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Finding the Fourth Proportional to 3,791.85, 5,708.87 and 3,332.58

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Solution

The fourth proportional to 3,791.85, 5,708.87 and 3,332.58 is: 5,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.85 : 5,708.87 = 3,332.58 : x
  2. Step 2: Convert to fraction form
    3,791.85/5,708.87 = 3,332.58/x
  3. Step 3: Cross multiply
    3,791.85x = 5,708.87 × 3,332.58
  4. Step 4: Simplify right side
    3,791.85x = 19,025,265.98
  5. Step 5: Solve for x
    x = 19,025,265.98/3,791.85
  6. Step 6: Final answer
    x = 5,017.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.