Home / 3,717.88-5,131.32-2,832.04

Finding the Fourth Proportional to 3,717.88, 5,131.32 and 2,832.04

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Solution

The fourth proportional to 3,717.88, 5,131.32 and 2,832.04 is: 3,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.88 : 5,131.32 = 2,832.04 : x
  2. Step 2: Convert to fraction form
    3,717.88/5,131.32 = 2,832.04/x
  3. Step 3: Cross multiply
    3,717.88x = 5,131.32 × 2,832.04
  4. Step 4: Simplify right side
    3,717.88x = 14,532,103.49
  5. Step 5: Solve for x
    x = 14,532,103.49/3,717.88
  6. Step 6: Final answer
    x = 3,908.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.