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Finding the Fourth Proportional to 4,061.52, 5,605 and 2,490.48

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Solution

The fourth proportional to 4,061.52, 5,605 and 2,490.48 is: 3,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061.52 : 5,605 = 2,490.48 : x
  2. Step 2: Convert to fraction form
    4,061.52/5,605 = 2,490.48/x
  3. Step 3: Cross multiply
    4,061.52x = 5,605 × 2,490.48
  4. Step 4: Simplify right side
    4,061.52x = 13,959,140.40
  5. Step 5: Solve for x
    x = 13,959,140.40/4,061.52
  6. Step 6: Final answer
    x = 3,436.93

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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.