Home / 5,239.61-7,234.37-3,474.89

Finding the Fourth Proportional to 5,239.61, 7,234.37 and 3,474.89

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Solution

The fourth proportional to 5,239.61, 7,234.37 and 3,474.89 is: 4,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.61 : 7,234.37 = 3,474.89 : x
  2. Step 2: Convert to fraction form
    5,239.61/7,234.37 = 3,474.89/x
  3. Step 3: Cross multiply
    5,239.61x = 7,234.37 × 3,474.89
  4. Step 4: Simplify right side
    5,239.61x = 25,138,622.59
  5. Step 5: Solve for x
    x = 25,138,622.59/5,239.61
  6. Step 6: Final answer
    x = 4,797.80

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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.