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Finding the Fourth Proportional to 3,253.78, 4,489.09 and 1,837.29

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Solution

The fourth proportional to 3,253.78, 4,489.09 and 1,837.29 is: 2,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.78 : 4,489.09 = 1,837.29 : x
  2. Step 2: Convert to fraction form
    3,253.78/4,489.09 = 1,837.29/x
  3. Step 3: Cross multiply
    3,253.78x = 4,489.09 × 1,837.29
  4. Step 4: Simplify right side
    3,253.78x = 8,247,760.17
  5. Step 5: Solve for x
    x = 8,247,760.17/3,253.78
  6. Step 6: Final answer
    x = 2,534.82

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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.