Home / 5,905.64-8,149.78-3,253.06

Finding the Fourth Proportional to 5,905.64, 8,149.78 and 3,253.06

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Solution

The fourth proportional to 5,905.64, 8,149.78 and 3,253.06 is: 4,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.64 : 8,149.78 = 3,253.06 : x
  2. Step 2: Convert to fraction form
    5,905.64/8,149.78 = 3,253.06/x
  3. Step 3: Cross multiply
    5,905.64x = 8,149.78 × 3,253.06
  4. Step 4: Simplify right side
    5,905.64x = 26,511,723.33
  5. Step 5: Solve for x
    x = 26,511,723.33/5,905.64
  6. Step 6: Final answer
    x = 4,489.22

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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.