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Finding the Fourth Proportional to 3,710.66, 5,114.49 and 2,962.22

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Solution

The fourth proportional to 3,710.66, 5,114.49 and 2,962.22 is: 4,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.66 : 5,114.49 = 2,962.22 : x
  2. Step 2: Convert to fraction form
    3,710.66/5,114.49 = 2,962.22/x
  3. Step 3: Cross multiply
    3,710.66x = 5,114.49 × 2,962.22
  4. Step 4: Simplify right side
    3,710.66x = 15,150,244.57
  5. Step 5: Solve for x
    x = 15,150,244.57/3,710.66
  6. Step 6: Final answer
    x = 4,082.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.