Home / 6,040.38-8,336.34-3,387.78

Finding the Fourth Proportional to 6,040.38, 8,336.34 and 3,387.78

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Solution

The fourth proportional to 6,040.38, 8,336.34 and 3,387.78 is: 4,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,040.38 : 8,336.34 = 3,387.78 : x
  2. Step 2: Convert to fraction form
    6,040.38/8,336.34 = 3,387.78/x
  3. Step 3: Cross multiply
    6,040.38x = 8,336.34 × 3,387.78
  4. Step 4: Simplify right side
    6,040.38x = 28,241,685.93
  5. Step 5: Solve for x
    x = 28,241,685.93/6,040.38
  6. Step 6: Final answer
    x = 4,675.48

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Half scale
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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.