Home / 5,168.94-7,131.63-3,179.82

Finding the Fourth Proportional to 5,168.94, 7,131.63 and 3,179.82

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Solution

The fourth proportional to 5,168.94, 7,131.63 and 3,179.82 is: 4,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.94 : 7,131.63 = 3,179.82 : x
  2. Step 2: Convert to fraction form
    5,168.94/7,131.63 = 3,179.82/x
  3. Step 3: Cross multiply
    5,168.94x = 7,131.63 × 3,179.82
  4. Step 4: Simplify right side
    5,168.94x = 22,677,299.71
  5. Step 5: Solve for x
    x = 22,677,299.71/5,168.94
  6. Step 6: Final answer
    x = 4,387.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.