Home / 4,949.91-6,830.86-2,711.92

Finding the Fourth Proportional to 4,949.91, 6,830.86 and 2,711.92

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Solution

The fourth proportional to 4,949.91, 6,830.86 and 2,711.92 is: 3,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.91 : 6,830.86 = 2,711.92 : x
  2. Step 2: Convert to fraction form
    4,949.91/6,830.86 = 2,711.92/x
  3. Step 3: Cross multiply
    4,949.91x = 6,830.86 × 2,711.92
  4. Step 4: Simplify right side
    4,949.91x = 18,524,745.85
  5. Step 5: Solve for x
    x = 18,524,745.85/4,949.91
  6. Step 6: Final answer
    x = 3,742.44

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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.