Home / 5,905.72-8,149.82-3,253.07

Finding the Fourth Proportional to 5,905.72, 8,149.82 and 3,253.07

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Solution

The fourth proportional to 5,905.72, 8,149.82 and 3,253.07 is: 4,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.72 : 8,149.82 = 3,253.07 : x
  2. Step 2: Convert to fraction form
    5,905.72/8,149.82 = 3,253.07/x
  3. Step 3: Cross multiply
    5,905.72x = 8,149.82 × 3,253.07
  4. Step 4: Simplify right side
    5,905.72x = 26,511,934.95
  5. Step 5: Solve for x
    x = 26,511,934.95/5,905.72
  6. Step 6: Final answer
    x = 4,489.20

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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.