Home / 3,076.25-4,614.80-1,127.97

Finding the Fourth Proportional to 3,076.25, 4,614.80 and 1,127.97

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Solution

The fourth proportional to 3,076.25, 4,614.80 and 1,127.97 is: 1,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.25 : 4,614.80 = 1,127.97 : x
  2. Step 2: Convert to fraction form
    3,076.25/4,614.80 = 1,127.97/x
  3. Step 3: Cross multiply
    3,076.25x = 4,614.80 × 1,127.97
  4. Step 4: Simplify right side
    3,076.25x = 5,205,350.32
  5. Step 5: Solve for x
    x = 5,205,350.32/3,076.25
  6. Step 6: Final answer
    x = 1,692.11

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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.