Home / 3,941.88-5,433.22-3,382.92

Finding the Fourth Proportional to 3,941.88, 5,433.22 and 3,382.92

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Solution

The fourth proportional to 3,941.88, 5,433.22 and 3,382.92 is: 4,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.88 : 5,433.22 = 3,382.92 : x
  2. Step 2: Convert to fraction form
    3,941.88/5,433.22 = 3,382.92/x
  3. Step 3: Cross multiply
    3,941.88x = 5,433.22 × 3,382.92
  4. Step 4: Simplify right side
    3,941.88x = 18,380,148.60
  5. Step 5: Solve for x
    x = 18,380,148.60/3,941.88
  6. Step 6: Final answer
    x = 4,662.79

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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.