Home / 4,179.24-5,765.31-3,515.85

Finding the Fourth Proportional to 4,179.24, 5,765.31 and 3,515.85

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Solution

The fourth proportional to 4,179.24, 5,765.31 and 3,515.85 is: 4,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.24 : 5,765.31 = 3,515.85 : x
  2. Step 2: Convert to fraction form
    4,179.24/5,765.31 = 3,515.85/x
  3. Step 3: Cross multiply
    4,179.24x = 5,765.31 × 3,515.85
  4. Step 4: Simplify right side
    4,179.24x = 20,269,965.16
  5. Step 5: Solve for x
    x = 20,269,965.16/4,179.24
  6. Step 6: Final answer
    x = 4,850.16

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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.