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Finding the Fourth Proportional to 5,761.90, 7,952.41 and 3,338.92

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Solution

The fourth proportional to 5,761.90, 7,952.41 and 3,338.92 is: 4,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.90 : 7,952.41 = 3,338.92 : x
  2. Step 2: Convert to fraction form
    5,761.90/7,952.41 = 3,338.92/x
  3. Step 3: Cross multiply
    5,761.90x = 7,952.41 × 3,338.92
  4. Step 4: Simplify right side
    5,761.90x = 26,552,424.22
  5. Step 5: Solve for x
    x = 26,552,424.22/5,761.90
  6. Step 6: Final answer
    x = 4,608.28

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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.