Home / 5,179.16-7,768.82-2,885.24

Finding the Fourth Proportional to 5,179.16, 7,768.82 and 2,885.24

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Solution

The fourth proportional to 5,179.16, 7,768.82 and 2,885.24 is: 4,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.16 : 7,768.82 = 2,885.24 : x
  2. Step 2: Convert to fraction form
    5,179.16/7,768.82 = 2,885.24/x
  3. Step 3: Cross multiply
    5,179.16x = 7,768.82 × 2,885.24
  4. Step 4: Simplify right side
    5,179.16x = 22,414,910.22
  5. Step 5: Solve for x
    x = 22,414,910.22/5,179.16
  6. Step 6: Final answer
    x = 4,327.90

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1.5x scale

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.