Home / 3,472.28-4,791.75-1,980.26

Finding the Fourth Proportional to 3,472.28, 4,791.75 and 1,980.26

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Solution

The fourth proportional to 3,472.28, 4,791.75 and 1,980.26 is: 2,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.28 : 4,791.75 = 1,980.26 : x
  2. Step 2: Convert to fraction form
    3,472.28/4,791.75 = 1,980.26/x
  3. Step 3: Cross multiply
    3,472.28x = 4,791.75 × 1,980.26
  4. Step 4: Simplify right side
    3,472.28x = 9,488,886.90
  5. Step 5: Solve for x
    x = 9,488,886.90/3,472.28
  6. Step 6: Final answer
    x = 2,732.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.