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Finding the Fourth Proportional to 4.29, 6.46 and 3.73

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Solution

The fourth proportional to 4.29, 6.46 and 3.73 is: 5.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.29 : 6.46 = 3.73 : x
  2. Step 2: Convert to fraction form
    4.29/6.46 = 3.73/x
  3. Step 3: Cross multiply
    4.29x = 6.46 × 3.73
  4. Step 4: Simplify right side
    4.29x = 24.10
  5. Step 5: Solve for x
    x = 24.10/4.29
  6. Step 6: Final answer
    x = 5.62

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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.