Home / 6,077.85-8,387.60-3,425.10

Finding the Fourth Proportional to 6,077.85, 8,387.60 and 3,425.10

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Solution

The fourth proportional to 6,077.85, 8,387.60 and 3,425.10 is: 4,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.85 : 8,387.60 = 3,425.10 : x
  2. Step 2: Convert to fraction form
    6,077.85/8,387.60 = 3,425.10/x
  3. Step 3: Cross multiply
    6,077.85x = 8,387.60 × 3,425.10
  4. Step 4: Simplify right side
    6,077.85x = 28,728,351.63
  5. Step 5: Solve for x
    x = 28,728,351.63/6,077.85
  6. Step 6: Final answer
    x = 4,726.73

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Half scale
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Double scale
Find fourth proportional to 6,078.85, 8,388.98 and 3,426.10
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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.