Home / 5,180.44-7,149.05-2,822.62

Finding the Fourth Proportional to 5,180.44, 7,149.05 and 2,822.62

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Solution

The fourth proportional to 5,180.44, 7,149.05 and 2,822.62 is: 3,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.44 : 7,149.05 = 2,822.62 : x
  2. Step 2: Convert to fraction form
    5,180.44/7,149.05 = 2,822.62/x
  3. Step 3: Cross multiply
    5,180.44x = 7,149.05 × 2,822.62
  4. Step 4: Simplify right side
    5,180.44x = 20,179,022.82
  5. Step 5: Solve for x
    x = 20,179,022.82/5,180.44
  6. Step 6: Final answer
    x = 3,895.24

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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.