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Finding the Fourth Proportional to 5,261.80, 7,892.70 and 4,941.04

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Solution

The fourth proportional to 5,261.80, 7,892.70 and 4,941.04 is: 7,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.80 : 7,892.70 = 4,941.04 : x
  2. Step 2: Convert to fraction form
    5,261.80/7,892.70 = 4,941.04/x
  3. Step 3: Cross multiply
    5,261.80x = 7,892.70 × 4,941.04
  4. Step 4: Simplify right side
    5,261.80x = 38,998,146.41
  5. Step 5: Solve for x
    x = 38,998,146.41/5,261.80
  6. Step 6: Final answer
    x = 7,411.56

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Similar ratio
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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.