Home / 3,972.76-5,957.42-1,631.14

Finding the Fourth Proportional to 3,972.76, 5,957.42 and 1,631.14

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Solution

The fourth proportional to 3,972.76, 5,957.42 and 1,631.14 is: 2,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.76 : 5,957.42 = 1,631.14 : x
  2. Step 2: Convert to fraction form
    3,972.76/5,957.42 = 1,631.14/x
  3. Step 3: Cross multiply
    3,972.76x = 5,957.42 × 1,631.14
  4. Step 4: Simplify right side
    3,972.76x = 9,717,386.06
  5. Step 5: Solve for x
    x = 9,717,386.06/3,972.76
  6. Step 6: Final answer
    x = 2,446.00

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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.