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Finding the Fourth Proportional to 3,251.63, 4,487.25 and 1,854.38

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Solution

The fourth proportional to 3,251.63, 4,487.25 and 1,854.38 is: 2,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.63 : 4,487.25 = 1,854.38 : x
  2. Step 2: Convert to fraction form
    3,251.63/4,487.25 = 1,854.38/x
  3. Step 3: Cross multiply
    3,251.63x = 4,487.25 × 1,854.38
  4. Step 4: Simplify right side
    3,251.63x = 8,321,044.22
  5. Step 5: Solve for x
    x = 8,321,044.22/3,251.63
  6. Step 6: Final answer
    x = 2,559.04

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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.