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Finding the Fourth Proportional to 3,963.54, 5,943.56 and 2,114.31

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Solution

The fourth proportional to 3,963.54, 5,943.56 and 2,114.31 is: 3,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.54 : 5,943.56 = 2,114.31 : x
  2. Step 2: Convert to fraction form
    3,963.54/5,943.56 = 2,114.31/x
  3. Step 3: Cross multiply
    3,963.54x = 5,943.56 × 2,114.31
  4. Step 4: Simplify right side
    3,963.54x = 12,566,517.77
  5. Step 5: Solve for x
    x = 12,566,517.77/3,963.54
  6. Step 6: Final answer
    x = 3,170.53

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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.