Home / 5,905.75-8,149.95-3,253.41

Finding the Fourth Proportional to 5,905.75, 8,149.95 and 3,253.41

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Solution

The fourth proportional to 5,905.75, 8,149.95 and 3,253.41 is: 4,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.75 : 8,149.95 = 3,253.41 : x
  2. Step 2: Convert to fraction form
    5,905.75/8,149.95 = 3,253.41/x
  3. Step 3: Cross multiply
    5,905.75x = 8,149.95 × 3,253.41
  4. Step 4: Simplify right side
    5,905.75x = 26,515,128.83
  5. Step 5: Solve for x
    x = 26,515,128.83/5,905.75
  6. Step 6: Final answer
    x = 4,489.71

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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.