Home / 5,431.28-8,150.00-2,932.44

Finding the Fourth Proportional to 5,431.28, 8,150.00 and 2,932.44

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Solution

The fourth proportional to 5,431.28, 8,150.00 and 2,932.44 is: 4,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.28 : 8,150.00 = 2,932.44 : x
  2. Step 2: Convert to fraction form
    5,431.28/8,150.00 = 2,932.44/x
  3. Step 3: Cross multiply
    5,431.28x = 8,150.00 × 2,932.44
  4. Step 4: Simplify right side
    5,431.28x = 23,899,352.58
  5. Step 5: Solve for x
    x = 23,899,352.58/5,431.28
  6. Step 6: Final answer
    x = 4,400.31

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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.