Home / 2,519.01-3,778.44-1,203.72

Finding the Fourth Proportional to 2,519.01, 3,778.44 and 1,203.72

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Solution

The fourth proportional to 2,519.01, 3,778.44 and 1,203.72 is: 1,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.01 : 3,778.44 = 1,203.72 : x
  2. Step 2: Convert to fraction form
    2,519.01/3,778.44 = 1,203.72/x
  3. Step 3: Cross multiply
    2,519.01x = 3,778.44 × 1,203.72
  4. Step 4: Simplify right side
    2,519.01x = 4,548,183.80
  5. Step 5: Solve for x
    x = 4,548,183.80/2,519.01
  6. Step 6: Final answer
    x = 1,805.54

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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.