Home / 3,463.12-5,190.82-1,382.59

Finding the Fourth Proportional to 3,463.12, 5,190.82 and 1,382.59

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Solution

The fourth proportional to 3,463.12, 5,190.82 and 1,382.59 is: 2,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.12 : 5,190.82 = 1,382.59 : x
  2. Step 2: Convert to fraction form
    3,463.12/5,190.82 = 1,382.59/x
  3. Step 3: Cross multiply
    3,463.12x = 5,190.82 × 1,382.59
  4. Step 4: Simplify right side
    3,463.12x = 7,176,759.39
  5. Step 5: Solve for x
    x = 7,176,759.39/3,463.12
  6. Step 6: Final answer
    x = 2,072.34

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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.