Home / 3,231.28-4,847.73-1,039.96

Finding the Fourth Proportional to 3,231.28, 4,847.73 and 1,039.96

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Solution

The fourth proportional to 3,231.28, 4,847.73 and 1,039.96 is: 1,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.28 : 4,847.73 = 1,039.96 : x
  2. Step 2: Convert to fraction form
    3,231.28/4,847.73 = 1,039.96/x
  3. Step 3: Cross multiply
    3,231.28x = 4,847.73 × 1,039.96
  4. Step 4: Simplify right side
    3,231.28x = 5,041,445.29
  5. Step 5: Solve for x
    x = 5,041,445.29/3,231.28
  6. Step 6: Final answer
    x = 1,560.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.