Home / 5,240.70-7,231.98-3,002.27

Finding the Fourth Proportional to 5,240.70, 7,231.98 and 3,002.27

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Solution

The fourth proportional to 5,240.70, 7,231.98 and 3,002.27 is: 4,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.70 : 7,231.98 = 3,002.27 : x
  2. Step 2: Convert to fraction form
    5,240.70/7,231.98 = 3,002.27/x
  3. Step 3: Cross multiply
    5,240.70x = 7,231.98 × 3,002.27
  4. Step 4: Simplify right side
    5,240.70x = 21,712,331.69
  5. Step 5: Solve for x
    x = 21,712,331.69/5,240.70
  6. Step 6: Final answer
    x = 4,143.02

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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.