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Finding the Fourth Proportional to 3,943.31, 5,916.32 and 1,753.57

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Solution

The fourth proportional to 3,943.31, 5,916.32 and 1,753.57 is: 2,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.31 : 5,916.32 = 1,753.57 : x
  2. Step 2: Convert to fraction form
    3,943.31/5,916.32 = 1,753.57/x
  3. Step 3: Cross multiply
    3,943.31x = 5,916.32 × 1,753.57
  4. Step 4: Simplify right side
    3,943.31x = 10,374,681.26
  5. Step 5: Solve for x
    x = 10,374,681.26/3,943.31
  6. Step 6: Final answer
    x = 2,630.96

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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.