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Finding the Fourth Proportional to 5,241.61, 7,232.10 and 3,117.02

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Solution

The fourth proportional to 5,241.61, 7,232.10 and 3,117.02 is: 4,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.61 : 7,232.10 = 3,117.02 : x
  2. Step 2: Convert to fraction form
    5,241.61/7,232.10 = 3,117.02/x
  3. Step 3: Cross multiply
    5,241.61x = 7,232.10 × 3,117.02
  4. Step 4: Simplify right side
    5,241.61x = 22,542,600.34
  5. Step 5: Solve for x
    x = 22,542,600.34/5,241.61
  6. Step 6: Final answer
    x = 4,300.70

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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.