Home / 3,171.06-4,376.06-1,773.82

Finding the Fourth Proportional to 3,171.06, 4,376.06 and 1,773.82

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Solution

The fourth proportional to 3,171.06, 4,376.06 and 1,773.82 is: 2,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.06 : 4,376.06 = 1,773.82 : x
  2. Step 2: Convert to fraction form
    3,171.06/4,376.06 = 1,773.82/x
  3. Step 3: Cross multiply
    3,171.06x = 4,376.06 × 1,773.82
  4. Step 4: Simplify right side
    3,171.06x = 7,762,342.75
  5. Step 5: Solve for x
    x = 7,762,342.75/3,171.06
  6. Step 6: Final answer
    x = 2,447.87

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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.