Home / 5,360.87-7,398.44-3,122.61

Finding the Fourth Proportional to 5,360.87, 7,398.44 and 3,122.61

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Solution

The fourth proportional to 5,360.87, 7,398.44 and 3,122.61 is: 4,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.87 : 7,398.44 = 3,122.61 : x
  2. Step 2: Convert to fraction form
    5,360.87/7,398.44 = 3,122.61/x
  3. Step 3: Cross multiply
    5,360.87x = 7,398.44 × 3,122.61
  4. Step 4: Simplify right side
    5,360.87x = 23,102,442.73
  5. Step 5: Solve for x
    x = 23,102,442.73/5,360.87
  6. Step 6: Final answer
    x = 4,309.46

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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.