Home / 5,625.87-7,763.65-3,108.04

Finding the Fourth Proportional to 5,625.87, 7,763.65 and 3,108.04

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Solution

The fourth proportional to 5,625.87, 7,763.65 and 3,108.04 is: 4,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.87 : 7,763.65 = 3,108.04 : x
  2. Step 2: Convert to fraction form
    5,625.87/7,763.65 = 3,108.04/x
  3. Step 3: Cross multiply
    5,625.87x = 7,763.65 × 3,108.04
  4. Step 4: Simplify right side
    5,625.87x = 24,129,736.68
  5. Step 5: Solve for x
    x = 24,129,736.68/5,625.87
  6. Step 6: Final answer
    x = 4,289.07

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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.