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Finding the Fourth Proportional to 3,916.52, 5,404.97 and 2,344.31

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Solution

The fourth proportional to 3,916.52, 5,404.97 and 2,344.31 is: 3,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.52 : 5,404.97 = 2,344.31 : x
  2. Step 2: Convert to fraction form
    3,916.52/5,404.97 = 2,344.31/x
  3. Step 3: Cross multiply
    3,916.52x = 5,404.97 × 2,344.31
  4. Step 4: Simplify right side
    3,916.52x = 12,670,913.50
  5. Step 5: Solve for x
    x = 12,670,913.50/3,916.52
  6. Step 6: Final answer
    x = 3,235.25

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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.