Home / 5,625.92-7,763.42-3,388.52

Finding the Fourth Proportional to 5,625.92, 7,763.42 and 3,388.52

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Solution

The fourth proportional to 5,625.92, 7,763.42 and 3,388.52 is: 4,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.92 : 7,763.42 = 3,388.52 : x
  2. Step 2: Convert to fraction form
    5,625.92/7,763.42 = 3,388.52/x
  3. Step 3: Cross multiply
    5,625.92x = 7,763.42 × 3,388.52
  4. Step 4: Simplify right side
    5,625.92x = 26,306,503.94
  5. Step 5: Solve for x
    x = 26,306,503.94/5,625.92
  6. Step 6: Final answer
    x = 4,675.95

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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.