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Finding the Fourth Proportional to 3,599.68, 5,400.42 and 1,134.40

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Solution

The fourth proportional to 3,599.68, 5,400.42 and 1,134.40 is: 1,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.68 : 5,400.42 = 1,134.40 : x
  2. Step 2: Convert to fraction form
    3,599.68/5,400.42 = 1,134.40/x
  3. Step 3: Cross multiply
    3,599.68x = 5,400.42 × 1,134.40
  4. Step 4: Simplify right side
    3,599.68x = 6,126,236.45
  5. Step 5: Solve for x
    x = 6,126,236.45/3,599.68
  6. Step 6: Final answer
    x = 1,701.88

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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.