Home / 4,867.38-7,295.24-2,788.80

Finding the Fourth Proportional to 4,867.38, 7,295.24 and 2,788.80

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Solution

The fourth proportional to 4,867.38, 7,295.24 and 2,788.80 is: 4,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.38 : 7,295.24 = 2,788.80 : x
  2. Step 2: Convert to fraction form
    4,867.38/7,295.24 = 2,788.80/x
  3. Step 3: Cross multiply
    4,867.38x = 7,295.24 × 2,788.80
  4. Step 4: Simplify right side
    4,867.38x = 20,344,951.37
  5. Step 5: Solve for x
    x = 20,344,951.37/4,867.38
  6. Step 6: Final answer
    x = 4,179.86

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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.