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Finding the Fourth Proportional to 3,494.83, 5,241.70 and 1,154.88

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Solution

The fourth proportional to 3,494.83, 5,241.70 and 1,154.88 is: 1,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.83 : 5,241.70 = 1,154.88 : x
  2. Step 2: Convert to fraction form
    3,494.83/5,241.70 = 1,154.88/x
  3. Step 3: Cross multiply
    3,494.83x = 5,241.70 × 1,154.88
  4. Step 4: Simplify right side
    3,494.83x = 6,053,534.50
  5. Step 5: Solve for x
    x = 6,053,534.50/3,494.83
  6. Step 6: Final answer
    x = 1,732.14

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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.