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Finding the Fourth Proportional to 5,264.97, 7,896.11 and 2,490.90

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Solution

The fourth proportional to 5,264.97, 7,896.11 and 2,490.90 is: 3,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.97 : 7,896.11 = 2,490.90 : x
  2. Step 2: Convert to fraction form
    5,264.97/7,896.11 = 2,490.90/x
  3. Step 3: Cross multiply
    5,264.97x = 7,896.11 × 2,490.90
  4. Step 4: Simplify right side
    5,264.97x = 19,668,407.94
  5. Step 5: Solve for x
    x = 19,668,407.94/5,264.97
  6. Step 6: Final answer
    x = 3,735.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.