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Finding the Fourth Proportional to 4.13, 6.20 and 3.14

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Solution

The fourth proportional to 4.13, 6.20 and 3.14 is: 4.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.13 : 6.20 = 3.14 : x
  2. Step 2: Convert to fraction form
    4.13/6.20 = 3.14/x
  3. Step 3: Cross multiply
    4.13x = 6.20 × 3.14
  4. Step 4: Simplify right side
    4.13x = 19.46
  5. Step 5: Solve for x
    x = 19.46/4.13
  6. Step 6: Final answer
    x = 4.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.