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Finding the Fourth Proportional to 4,000.86, 6,002.51 and 3,179.52

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Solution

The fourth proportional to 4,000.86, 6,002.51 and 3,179.52 is: 4,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.86 : 6,002.51 = 3,179.52 : x
  2. Step 2: Convert to fraction form
    4,000.86/6,002.51 = 3,179.52/x
  3. Step 3: Cross multiply
    4,000.86x = 6,002.51 × 3,179.52
  4. Step 4: Simplify right side
    4,000.86x = 19,085,084.70
  5. Step 5: Solve for x
    x = 19,085,084.70/4,000.86
  6. Step 6: Final answer
    x = 4,770.25

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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.