Home / 3,694.15-5,098.05-2,015.65

Finding the Fourth Proportional to 3,694.15, 5,098.05 and 2,015.65

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Solution

The fourth proportional to 3,694.15, 5,098.05 and 2,015.65 is: 2,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.15 : 5,098.05 = 2,015.65 : x
  2. Step 2: Convert to fraction form
    3,694.15/5,098.05 = 2,015.65/x
  3. Step 3: Cross multiply
    3,694.15x = 5,098.05 × 2,015.65
  4. Step 4: Simplify right side
    3,694.15x = 10,275,848.91
  5. Step 5: Solve for x
    x = 10,275,848.91/3,694.15
  6. Step 6: Final answer
    x = 2,781.66

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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.