Home / 5,351.12-8,022.72-2,538.56

Finding the Fourth Proportional to 5,351.12, 8,022.72 and 2,538.56

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Solution

The fourth proportional to 5,351.12, 8,022.72 and 2,538.56 is: 3,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.12 : 8,022.72 = 2,538.56 : x
  2. Step 2: Convert to fraction form
    5,351.12/8,022.72 = 2,538.56/x
  3. Step 3: Cross multiply
    5,351.12x = 8,022.72 × 2,538.56
  4. Step 4: Simplify right side
    5,351.12x = 20,366,156.08
  5. Step 5: Solve for x
    x = 20,366,156.08/5,351.12
  6. Step 6: Final answer
    x = 3,805.96

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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.