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Finding the Fourth Proportional to 6,371.97, 8,796.92 and 4,135.83

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Solution

The fourth proportional to 6,371.97, 8,796.92 and 4,135.83 is: 5,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.97 : 8,796.92 = 4,135.83 : x
  2. Step 2: Convert to fraction form
    6,371.97/8,796.92 = 4,135.83/x
  3. Step 3: Cross multiply
    6,371.97x = 8,796.92 × 4,135.83
  4. Step 4: Simplify right side
    6,371.97x = 36,382,544.96
  5. Step 5: Solve for x
    x = 36,382,544.96/6,371.97
  6. Step 6: Final answer
    x = 5,709.78

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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.