Home / 3,942.73-5,906.01-3,158.48

Finding the Fourth Proportional to 3,942.73, 5,906.01 and 3,158.48

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Solution

The fourth proportional to 3,942.73, 5,906.01 and 3,158.48 is: 4,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.73 : 5,906.01 = 3,158.48 : x
  2. Step 2: Convert to fraction form
    3,942.73/5,906.01 = 3,158.48/x
  3. Step 3: Cross multiply
    3,942.73x = 5,906.01 × 3,158.48
  4. Step 4: Simplify right side
    3,942.73x = 18,654,014.46
  5. Step 5: Solve for x
    x = 18,654,014.46/3,942.73
  6. Step 6: Final answer
    x = 4,731.24

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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.