Home / 3,043.20-4,555.20-2,179.20

Finding the Fourth Proportional to 3,043.20, 4,555.20 and 2,179.20

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Solution

The fourth proportional to 3,043.20, 4,555.20 and 2,179.20 is: 3,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.20 : 4,555.20 = 2,179.20 : x
  2. Step 2: Convert to fraction form
    3,043.20/4,555.20 = 2,179.20/x
  3. Step 3: Cross multiply
    3,043.20x = 4,555.20 × 2,179.20
  4. Step 4: Simplify right side
    3,043.20x = 9,926,691.84
  5. Step 5: Solve for x
    x = 9,926,691.84/3,043.20
  6. Step 6: Final answer
    x = 3,261.93

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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.