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Finding the Fourth Proportional to 5,339.29, 8,001.97 and 3,863.49

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Solution

The fourth proportional to 5,339.29, 8,001.97 and 3,863.49 is: 5,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.29 : 8,001.97 = 3,863.49 : x
  2. Step 2: Convert to fraction form
    5,339.29/8,001.97 = 3,863.49/x
  3. Step 3: Cross multiply
    5,339.29x = 8,001.97 × 3,863.49
  4. Step 4: Simplify right side
    5,339.29x = 30,915,491.07
  5. Step 5: Solve for x
    x = 30,915,491.07/5,339.29
  6. Step 6: Final answer
    x = 5,790.19

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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.