Home / 5,198.72-7,808.88-4,263.44

Finding the Fourth Proportional to 5,198.72, 7,808.88 and 4,263.44

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Solution

The fourth proportional to 5,198.72, 7,808.88 and 4,263.44 is: 6,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.72 : 7,808.88 = 4,263.44 : x
  2. Step 2: Convert to fraction form
    5,198.72/7,808.88 = 4,263.44/x
  3. Step 3: Cross multiply
    5,198.72x = 7,808.88 × 4,263.44
  4. Step 4: Simplify right side
    5,198.72x = 33,292,691.35
  5. Step 5: Solve for x
    x = 33,292,691.35/5,198.72
  6. Step 6: Final answer
    x = 6,404.02

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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.