Home / 3,697.31-5,542.43-1,230.41

Finding the Fourth Proportional to 3,697.31, 5,542.43 and 1,230.41

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Solution

The fourth proportional to 3,697.31, 5,542.43 and 1,230.41 is: 1,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.31 : 5,542.43 = 1,230.41 : x
  2. Step 2: Convert to fraction form
    3,697.31/5,542.43 = 1,230.41/x
  3. Step 3: Cross multiply
    3,697.31x = 5,542.43 × 1,230.41
  4. Step 4: Simplify right side
    3,697.31x = 6,819,427.43
  5. Step 5: Solve for x
    x = 6,819,427.43/3,697.31
  6. Step 6: Final answer
    x = 1,844.43

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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.