Home / 4,099.60-5,657.28-2,236.56

Finding the Fourth Proportional to 4,099.60, 5,657.28 and 2,236.56

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Solution

The fourth proportional to 4,099.60, 5,657.28 and 2,236.56 is: 3,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.60 : 5,657.28 = 2,236.56 : x
  2. Step 2: Convert to fraction form
    4,099.60/5,657.28 = 2,236.56/x
  3. Step 3: Cross multiply
    4,099.60x = 5,657.28 × 2,236.56
  4. Step 4: Simplify right side
    4,099.60x = 12,652,846.16
  5. Step 5: Solve for x
    x = 12,652,846.16/4,099.60
  6. Step 6: Final answer
    x = 3,086.36

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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.