Home / 3,695.04-5,100.12-2,279.87

Finding the Fourth Proportional to 3,695.04, 5,100.12 and 2,279.87

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Solution

The fourth proportional to 3,695.04, 5,100.12 and 2,279.87 is: 3,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.04 : 5,100.12 = 2,279.87 : x
  2. Step 2: Convert to fraction form
    3,695.04/5,100.12 = 2,279.87/x
  3. Step 3: Cross multiply
    3,695.04x = 5,100.12 × 2,279.87
  4. Step 4: Simplify right side
    3,695.04x = 11,627,610.58
  5. Step 5: Solve for x
    x = 11,627,610.58/3,695.04
  6. Step 6: Final answer
    x = 3,146.82

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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.