Home / 3,839.19-5,760.41-1,891.41

Finding the Fourth Proportional to 3,839.19, 5,760.41 and 1,891.41

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Solution

The fourth proportional to 3,839.19, 5,760.41 and 1,891.41 is: 2,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.19 : 5,760.41 = 1,891.41 : x
  2. Step 2: Convert to fraction form
    3,839.19/5,760.41 = 1,891.41/x
  3. Step 3: Cross multiply
    3,839.19x = 5,760.41 × 1,891.41
  4. Step 4: Simplify right side
    3,839.19x = 10,895,287.62
  5. Step 5: Solve for x
    x = 10,895,287.62/3,839.19
  6. Step 6: Final answer
    x = 2,837.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.