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Finding the Fourth Proportional to 3,073.80, 4,241.88 and 1,747.53

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Solution

The fourth proportional to 3,073.80, 4,241.88 and 1,747.53 is: 2,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.80 : 4,241.88 = 1,747.53 : x
  2. Step 2: Convert to fraction form
    3,073.80/4,241.88 = 1,747.53/x
  3. Step 3: Cross multiply
    3,073.80x = 4,241.88 × 1,747.53
  4. Step 4: Simplify right side
    3,073.80x = 7,412,812.56
  5. Step 5: Solve for x
    x = 7,412,812.56/3,073.80
  6. Step 6: Final answer
    x = 2,411.61

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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.