Home / 4,180.80-5,769.12-2,317.44

Finding the Fourth Proportional to 4,180.80, 5,769.12 and 2,317.44

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Solution

The fourth proportional to 4,180.80, 5,769.12 and 2,317.44 is: 3,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.80 : 5,769.12 = 2,317.44 : x
  2. Step 2: Convert to fraction form
    4,180.80/5,769.12 = 2,317.44/x
  3. Step 3: Cross multiply
    4,180.80x = 5,769.12 × 2,317.44
  4. Step 4: Simplify right side
    4,180.80x = 13,369,589.45
  5. Step 5: Solve for x
    x = 13,369,589.45/4,180.80
  6. Step 6: Final answer
    x = 3,197.85

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1.5x scale

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.