Home / 3,261.20-4,500.50-1,769.18

Finding the Fourth Proportional to 3,261.20, 4,500.50 and 1,769.18

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Solution

The fourth proportional to 3,261.20, 4,500.50 and 1,769.18 is: 2,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.20 : 4,500.50 = 1,769.18 : x
  2. Step 2: Convert to fraction form
    3,261.20/4,500.50 = 1,769.18/x
  3. Step 3: Cross multiply
    3,261.20x = 4,500.50 × 1,769.18
  4. Step 4: Simplify right side
    3,261.20x = 7,962,163.24
  5. Step 5: Solve for x
    x = 7,962,163.24/3,261.20
  6. Step 6: Final answer
    x = 2,441.49

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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.