Home / 3,231.06-4,845.82-1,039.81

Finding the Fourth Proportional to 3,231.06, 4,845.82 and 1,039.81

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Solution

The fourth proportional to 3,231.06, 4,845.82 and 1,039.81 is: 1,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.06 : 4,845.82 = 1,039.81 : x
  2. Step 2: Convert to fraction form
    3,231.06/4,845.82 = 1,039.81/x
  3. Step 3: Cross multiply
    3,231.06x = 4,845.82 × 1,039.81
  4. Step 4: Simplify right side
    3,231.06x = 5,038,732.09
  5. Step 5: Solve for x
    x = 5,038,732.09/3,231.06
  6. Step 6: Final answer
    x = 1,559.47

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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.