Home / 3,231.11-4,847.13-1,039.11

Finding the Fourth Proportional to 3,231.11, 4,847.13 and 1,039.11

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Solution

The fourth proportional to 3,231.11, 4,847.13 and 1,039.11 is: 1,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.11 : 4,847.13 = 1,039.11 : x
  2. Step 2: Convert to fraction form
    3,231.11/4,847.13 = 1,039.11/x
  3. Step 3: Cross multiply
    3,231.11x = 4,847.13 × 1,039.11
  4. Step 4: Simplify right side
    3,231.11x = 5,036,701.25
  5. Step 5: Solve for x
    x = 5,036,701.25/3,231.11
  6. Step 6: Final answer
    x = 1,558.82

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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.