Home / 4,481.58-6,180.24-2,989.56

Finding the Fourth Proportional to 4,481.58, 6,180.24 and 2,989.56

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Solution

The fourth proportional to 4,481.58, 6,180.24 and 2,989.56 is: 4,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.58 : 6,180.24 = 2,989.56 : x
  2. Step 2: Convert to fraction form
    4,481.58/6,180.24 = 2,989.56/x
  3. Step 3: Cross multiply
    4,481.58x = 6,180.24 × 2,989.56
  4. Step 4: Simplify right side
    4,481.58x = 18,476,198.29
  5. Step 5: Solve for x
    x = 18,476,198.29/4,481.58
  6. Step 6: Final answer
    x = 4,122.70

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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.