Home / 5,940.21-8,198.10-3,422.42

Finding the Fourth Proportional to 5,940.21, 8,198.10 and 3,422.42

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Solution

The fourth proportional to 5,940.21, 8,198.10 and 3,422.42 is: 4,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.21 : 8,198.10 = 3,422.42 : x
  2. Step 2: Convert to fraction form
    5,940.21/8,198.10 = 3,422.42/x
  3. Step 3: Cross multiply
    5,940.21x = 8,198.10 × 3,422.42
  4. Step 4: Simplify right side
    5,940.21x = 28,057,300.41
  5. Step 5: Solve for x
    x = 28,057,300.41/5,940.21
  6. Step 6: Final answer
    x = 4,723.28

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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.