Home / 5,791.26-7,989.27-3,431.58

Finding the Fourth Proportional to 5,791.26, 7,989.27 and 3,431.58

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Solution

The fourth proportional to 5,791.26, 7,989.27 and 3,431.58 is: 4,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.26 : 7,989.27 = 3,431.58 : x
  2. Step 2: Convert to fraction form
    5,791.26/7,989.27 = 3,431.58/x
  3. Step 3: Cross multiply
    5,791.26x = 7,989.27 × 3,431.58
  4. Step 4: Simplify right side
    5,791.26x = 27,415,819.15
  5. Step 5: Solve for x
    x = 27,415,819.15/5,791.26
  6. Step 6: Final answer
    x = 4,734.00

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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.