Home / 5,239.73-7,230.76-3,002.15

Finding the Fourth Proportional to 5,239.73, 7,230.76 and 3,002.15

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Solution

The fourth proportional to 5,239.73, 7,230.76 and 3,002.15 is: 4,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.73 : 7,230.76 = 3,002.15 : x
  2. Step 2: Convert to fraction form
    5,239.73/7,230.76 = 3,002.15/x
  3. Step 3: Cross multiply
    5,239.73x = 7,230.76 × 3,002.15
  4. Step 4: Simplify right side
    5,239.73x = 21,707,836.71
  5. Step 5: Solve for x
    x = 21,707,836.71/5,239.73
  6. Step 6: Final answer
    x = 4,142.93

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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.