Home / 3,232.25-4,459.78-1,906.01

Finding the Fourth Proportional to 3,232.25, 4,459.78 and 1,906.01

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Solution

The fourth proportional to 3,232.25, 4,459.78 and 1,906.01 is: 2,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.25 : 4,459.78 = 1,906.01 : x
  2. Step 2: Convert to fraction form
    3,232.25/4,459.78 = 1,906.01/x
  3. Step 3: Cross multiply
    3,232.25x = 4,459.78 × 1,906.01
  4. Step 4: Simplify right side
    3,232.25x = 8,500,385.28
  5. Step 5: Solve for x
    x = 8,500,385.28/3,232.25
  6. Step 6: Final answer
    x = 2,629.87

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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.