Home / 3,949.17-5,924.10-1,138.02

Finding the Fourth Proportional to 3,949.17, 5,924.10 and 1,138.02

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Solution

The fourth proportional to 3,949.17, 5,924.10 and 1,138.02 is: 1,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.17 : 5,924.10 = 1,138.02 : x
  2. Step 2: Convert to fraction form
    3,949.17/5,924.10 = 1,138.02/x
  3. Step 3: Cross multiply
    3,949.17x = 5,924.10 × 1,138.02
  4. Step 4: Simplify right side
    3,949.17x = 6,741,744.28
  5. Step 5: Solve for x
    x = 6,741,744.28/3,949.17
  6. Step 6: Final answer
    x = 1,707.13

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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.