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Finding the Fourth Proportional to 3,114.76, 4,691.91 and 2,849.16

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Solution

The fourth proportional to 3,114.76, 4,691.91 and 2,849.16 is: 4,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.76 : 4,691.91 = 2,849.16 : x
  2. Step 2: Convert to fraction form
    3,114.76/4,691.91 = 2,849.16/x
  3. Step 3: Cross multiply
    3,114.76x = 4,691.91 × 2,849.16
  4. Step 4: Simplify right side
    3,114.76x = 13,368,002.30
  5. Step 5: Solve for x
    x = 13,368,002.30/3,114.76
  6. Step 6: Final answer
    x = 4,291.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.