Home / 4,805.72-7,190.60-3,422.24

Finding the Fourth Proportional to 4,805.72, 7,190.60 and 3,422.24

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Solution

The fourth proportional to 4,805.72, 7,190.60 and 3,422.24 is: 5,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.72 : 7,190.60 = 3,422.24 : x
  2. Step 2: Convert to fraction form
    4,805.72/7,190.60 = 3,422.24/x
  3. Step 3: Cross multiply
    4,805.72x = 7,190.60 × 3,422.24
  4. Step 4: Simplify right side
    4,805.72x = 24,607,958.94
  5. Step 5: Solve for x
    x = 24,607,958.94/4,805.72
  6. Step 6: Final answer
    x = 5,120.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.