Home / 7,093.46-9,789.16-3,949.70

Finding the Fourth Proportional to 7,093.46, 9,789.16 and 3,949.70

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Solution

The fourth proportional to 7,093.46, 9,789.16 and 3,949.70 is: 5,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.46 : 9,789.16 = 3,949.70 : x
  2. Step 2: Convert to fraction form
    7,093.46/9,789.16 = 3,949.70/x
  3. Step 3: Cross multiply
    7,093.46x = 9,789.16 × 3,949.70
  4. Step 4: Simplify right side
    7,093.46x = 38,664,245.25
  5. Step 5: Solve for x
    x = 38,664,245.25/7,093.46
  6. Step 6: Final answer
    x = 5,450.69

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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.