Home / 7,449.10-11,174.85-2,519.03

Finding the Fourth Proportional to 7,449.10, 11,174.85 and 2,519.03

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Solution

The fourth proportional to 7,449.10, 11,174.85 and 2,519.03 is: 3,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.10 : 11,174.85 = 2,519.03 : x
  2. Step 2: Convert to fraction form
    7,449.10/11,174.85 = 2,519.03/x
  3. Step 3: Cross multiply
    7,449.10x = 11,174.85 × 2,519.03
  4. Step 4: Simplify right side
    7,449.10x = 28,149,782.40
  5. Step 5: Solve for x
    x = 28,149,782.40/7,449.10
  6. Step 6: Final answer
    x = 3,778.95

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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.