Home / 3,253.20-4,488.66-1,927.05

Finding the Fourth Proportional to 3,253.20, 4,488.66 and 1,927.05

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Solution

The fourth proportional to 3,253.20, 4,488.66 and 1,927.05 is: 2,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.20 : 4,488.66 = 1,927.05 : x
  2. Step 2: Convert to fraction form
    3,253.20/4,488.66 = 1,927.05/x
  3. Step 3: Cross multiply
    3,253.20x = 4,488.66 × 1,927.05
  4. Step 4: Simplify right side
    3,253.20x = 8,649,872.25
  5. Step 5: Solve for x
    x = 8,649,872.25/3,253.20
  6. Step 6: Final answer
    x = 2,658.88

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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.