Home / 4,991.17-6,882.13-3,730.11

Finding the Fourth Proportional to 4,991.17, 6,882.13 and 3,730.11

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Solution

The fourth proportional to 4,991.17, 6,882.13 and 3,730.11 is: 5,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.17 : 6,882.13 = 3,730.11 : x
  2. Step 2: Convert to fraction form
    4,991.17/6,882.13 = 3,730.11/x
  3. Step 3: Cross multiply
    4,991.17x = 6,882.13 × 3,730.11
  4. Step 4: Simplify right side
    4,991.17x = 25,671,101.93
  5. Step 5: Solve for x
    x = 25,671,101.93/4,991.17
  6. Step 6: Final answer
    x = 5,143.30

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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.