Home / 5,142.46-7,716.33-2,182.93

Finding the Fourth Proportional to 5,142.46, 7,716.33 and 2,182.93

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Solution

The fourth proportional to 5,142.46, 7,716.33 and 2,182.93 is: 3,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.46 : 7,716.33 = 2,182.93 : x
  2. Step 2: Convert to fraction form
    5,142.46/7,716.33 = 2,182.93/x
  3. Step 3: Cross multiply
    5,142.46x = 7,716.33 × 2,182.93
  4. Step 4: Simplify right side
    5,142.46x = 16,844,208.25
  5. Step 5: Solve for x
    x = 16,844,208.25/5,142.46
  6. Step 6: Final answer
    x = 3,275.52

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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.