Home / 2,519.03-3,778.94-1,285.77

Finding the Fourth Proportional to 2,519.03, 3,778.94 and 1,285.77

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Solution

The fourth proportional to 2,519.03, 3,778.94 and 1,285.77 is: 1,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.03 : 3,778.94 = 1,285.77 : x
  2. Step 2: Convert to fraction form
    2,519.03/3,778.94 = 1,285.77/x
  3. Step 3: Cross multiply
    2,519.03x = 3,778.94 × 1,285.77
  4. Step 4: Simplify right side
    2,519.03x = 4,858,857.84
  5. Step 5: Solve for x
    x = 4,858,857.84/2,519.03
  6. Step 6: Final answer
    x = 1,928.86

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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.