Home / 7,177.22-10,770.78-2,794.70

Finding the Fourth Proportional to 7,177.22, 10,770.78 and 2,794.70

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Solution

The fourth proportional to 7,177.22, 10,770.78 and 2,794.70 is: 4,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.22 : 10,770.78 = 2,794.70 : x
  2. Step 2: Convert to fraction form
    7,177.22/10,770.78 = 2,794.70/x
  3. Step 3: Cross multiply
    7,177.22x = 10,770.78 × 2,794.70
  4. Step 4: Simplify right side
    7,177.22x = 30,101,098.87
  5. Step 5: Solve for x
    x = 30,101,098.87/7,177.22
  6. Step 6: Final answer
    x = 4,193.98

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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.