Home / 6,243.91-8,616.38-3,591.73

Finding the Fourth Proportional to 6,243.91, 8,616.38 and 3,591.73

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Solution

The fourth proportional to 6,243.91, 8,616.38 and 3,591.73 is: 4,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.91 : 8,616.38 = 3,591.73 : x
  2. Step 2: Convert to fraction form
    6,243.91/8,616.38 = 3,591.73/x
  3. Step 3: Cross multiply
    6,243.91x = 8,616.38 × 3,591.73
  4. Step 4: Simplify right side
    6,243.91x = 30,947,703.35
  5. Step 5: Solve for x
    x = 30,947,703.35/6,243.91
  6. Step 6: Final answer
    x = 4,956.46

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Find fourth proportional to 3,121.95, 4,308.19 and 1,795.87
Half scale
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Double scale
Find fourth proportional to 6,244.91, 8,617.75 and 3,592.73
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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.