Home / 5,534.88-8,315.28-4,757.28

Finding the Fourth Proportional to 5,534.88, 8,315.28 and 4,757.28

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Solution

The fourth proportional to 5,534.88, 8,315.28 and 4,757.28 is: 7,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.88 : 8,315.28 = 4,757.28 : x
  2. Step 2: Convert to fraction form
    5,534.88/8,315.28 = 4,757.28/x
  3. Step 3: Cross multiply
    5,534.88x = 8,315.28 × 4,757.28
  4. Step 4: Simplify right side
    5,534.88x = 39,558,115.24
  5. Step 5: Solve for x
    x = 39,558,115.24/5,534.88
  6. Step 6: Final answer
    x = 7,147.06

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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.