Home / 5,219.25-7,201.68-3,449.91

Finding the Fourth Proportional to 5,219.25, 7,201.68 and 3,449.91

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Solution

The fourth proportional to 5,219.25, 7,201.68 and 3,449.91 is: 4,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.25 : 7,201.68 = 3,449.91 : x
  2. Step 2: Convert to fraction form
    5,219.25/7,201.68 = 3,449.91/x
  3. Step 3: Cross multiply
    5,219.25x = 7,201.68 × 3,449.91
  4. Step 4: Simplify right side
    5,219.25x = 24,845,147.85
  5. Step 5: Solve for x
    x = 24,845,147.85/5,219.25
  6. Step 6: Final answer
    x = 4,760.29

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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.