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Finding the Fourth Proportional to 3,992.40, 5,995.08 and 2,534.40

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Solution

The fourth proportional to 3,992.40, 5,995.08 and 2,534.40 is: 3,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.40 : 5,995.08 = 2,534.40 : x
  2. Step 2: Convert to fraction form
    3,992.40/5,995.08 = 2,534.40/x
  3. Step 3: Cross multiply
    3,992.40x = 5,995.08 × 2,534.40
  4. Step 4: Simplify right side
    3,992.40x = 15,193,930.75
  5. Step 5: Solve for x
    x = 15,193,930.75/3,992.40
  6. Step 6: Final answer
    x = 3,805.71

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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.