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Finding the Fourth Proportional to 3,397.62, 5,095.11 and 1,423.14

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Solution

The fourth proportional to 3,397.62, 5,095.11 and 1,423.14 is: 2,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.62 : 5,095.11 = 1,423.14 : x
  2. Step 2: Convert to fraction form
    3,397.62/5,095.11 = 1,423.14/x
  3. Step 3: Cross multiply
    3,397.62x = 5,095.11 × 1,423.14
  4. Step 4: Simplify right side
    3,397.62x = 7,251,054.85
  5. Step 5: Solve for x
    x = 7,251,054.85/3,397.62
  6. Step 6: Final answer
    x = 2,134.16

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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.