Home / 5,469.80-7,548.26-3,231.68

Finding the Fourth Proportional to 5,469.80, 7,548.26 and 3,231.68

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Solution

The fourth proportional to 5,469.80, 7,548.26 and 3,231.68 is: 4,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.80 : 7,548.26 = 3,231.68 : x
  2. Step 2: Convert to fraction form
    5,469.80/7,548.26 = 3,231.68/x
  3. Step 3: Cross multiply
    5,469.80x = 7,548.26 × 3,231.68
  4. Step 4: Simplify right side
    5,469.80x = 24,393,560.88
  5. Step 5: Solve for x
    x = 24,393,560.88/5,469.80
  6. Step 6: Final answer
    x = 4,459.68

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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.