Home / 6,077.81-8,387.37-3,425.22

Finding the Fourth Proportional to 6,077.81, 8,387.37 and 3,425.22

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Solution

The fourth proportional to 6,077.81, 8,387.37 and 3,425.22 is: 4,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.81 : 8,387.37 = 3,425.22 : x
  2. Step 2: Convert to fraction form
    6,077.81/8,387.37 = 3,425.22/x
  3. Step 3: Cross multiply
    6,077.81x = 8,387.37 × 3,425.22
  4. Step 4: Simplify right side
    6,077.81x = 28,728,587.47
  5. Step 5: Solve for x
    x = 28,728,587.47/6,077.81
  6. Step 6: Final answer
    x = 4,726.80

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Half scale
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Double 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.