Home / 4,099.76-5,657.64-2,236.76

Finding the Fourth Proportional to 4,099.76, 5,657.64 and 2,236.76

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Solution

The fourth proportional to 4,099.76, 5,657.64 and 2,236.76 is: 3,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.76 : 5,657.64 = 2,236.76 : x
  2. Step 2: Convert to fraction form
    4,099.76/5,657.64 = 2,236.76/x
  3. Step 3: Cross multiply
    4,099.76x = 5,657.64 × 2,236.76
  4. Step 4: Simplify right side
    4,099.76x = 12,654,782.85
  5. Step 5: Solve for x
    x = 12,654,782.85/4,099.76
  6. Step 6: Final answer
    x = 3,086.71

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Find fourth proportional to 2,049.88, 2,828.82 and 1,118.38
Half scale
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Double scale
Find fourth proportional to 4,100.76, 5,659.02 and 2,237.76
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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.