Home / 5,188.82-7,160.28-2,951.24

Finding the Fourth Proportional to 5,188.82, 7,160.28 and 2,951.24

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Solution

The fourth proportional to 5,188.82, 7,160.28 and 2,951.24 is: 4,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.82 : 7,160.28 = 2,951.24 : x
  2. Step 2: Convert to fraction form
    5,188.82/7,160.28 = 2,951.24/x
  3. Step 3: Cross multiply
    5,188.82x = 7,160.28 × 2,951.24
  4. Step 4: Simplify right side
    5,188.82x = 21,131,704.75
  5. Step 5: Solve for x
    x = 21,131,704.75/5,188.82
  6. Step 6: Final answer
    x = 4,072.55

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1.5x scale

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.