Home / 5,940.60-8,198.90-3,422.22

Finding the Fourth Proportional to 5,940.60, 8,198.90 and 3,422.22

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Solution

The fourth proportional to 5,940.60, 8,198.90 and 3,422.22 is: 4,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.60 : 8,198.90 = 3,422.22 : x
  2. Step 2: Convert to fraction form
    5,940.60/8,198.90 = 3,422.22/x
  3. Step 3: Cross multiply
    5,940.60x = 8,198.90 × 3,422.22
  4. Step 4: Simplify right side
    5,940.60x = 28,058,439.56
  5. Step 5: Solve for x
    x = 28,058,439.56/5,940.60
  6. Step 6: Final answer
    x = 4,723.17

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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.