Home / 5,371.18-7,409.43-3,377.98

Finding the Fourth Proportional to 5,371.18, 7,409.43 and 3,377.98

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Solution

The fourth proportional to 5,371.18, 7,409.43 and 3,377.98 is: 4,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.18 : 7,409.43 = 3,377.98 : x
  2. Step 2: Convert to fraction form
    5,371.18/7,409.43 = 3,377.98/x
  3. Step 3: Cross multiply
    5,371.18x = 7,409.43 × 3,377.98
  4. Step 4: Simplify right side
    5,371.18x = 25,028,906.35
  5. Step 5: Solve for x
    x = 25,028,906.35/5,371.18
  6. Step 6: Final answer
    x = 4,659.85

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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.