Home / 5,237.66-7,227.99-2,879.82

Finding the Fourth Proportional to 5,237.66, 7,227.99 and 2,879.82

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Solution

The fourth proportional to 5,237.66, 7,227.99 and 2,879.82 is: 3,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.66 : 7,227.99 = 2,879.82 : x
  2. Step 2: Convert to fraction form
    5,237.66/7,227.99 = 2,879.82/x
  3. Step 3: Cross multiply
    5,237.66x = 7,227.99 × 2,879.82
  4. Step 4: Simplify right side
    5,237.66x = 20,815,310.16
  5. Step 5: Solve for x
    x = 20,815,310.16/5,237.66
  6. Step 6: Final answer
    x = 3,974.16

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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.