Home / 2,179.56-3,264.55-2,008.85

Finding the Fourth Proportional to 2,179.56, 3,264.55 and 2,008.85

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Solution

The fourth proportional to 2,179.56, 3,264.55 and 2,008.85 is: 3,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.56 : 3,264.55 = 2,008.85 : x
  2. Step 2: Convert to fraction form
    2,179.56/3,264.55 = 2,008.85/x
  3. Step 3: Cross multiply
    2,179.56x = 3,264.55 × 2,008.85
  4. Step 4: Simplify right side
    2,179.56x = 6,557,999.59
  5. Step 5: Solve for x
    x = 6,557,999.59/2,179.56
  6. Step 6: Final answer
    x = 3,008.87

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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.