Home / 3,769.65-5,202.77-2,198.52

Finding the Fourth Proportional to 3,769.65, 5,202.77 and 2,198.52

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Solution

The fourth proportional to 3,769.65, 5,202.77 and 2,198.52 is: 3,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.65 : 5,202.77 = 2,198.52 : x
  2. Step 2: Convert to fraction form
    3,769.65/5,202.77 = 2,198.52/x
  3. Step 3: Cross multiply
    3,769.65x = 5,202.77 × 2,198.52
  4. Step 4: Simplify right side
    3,769.65x = 11,438,382.91
  5. Step 5: Solve for x
    x = 11,438,382.91/3,769.65
  6. Step 6: Final answer
    x = 3,034.34

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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.