Home / 5,198.82-7,793.58-1,911.14

Finding the Fourth Proportional to 5,198.82, 7,793.58 and 1,911.14

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Solution

The fourth proportional to 5,198.82, 7,793.58 and 1,911.14 is: 2,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.82 : 7,793.58 = 1,911.14 : x
  2. Step 2: Convert to fraction form
    5,198.82/7,793.58 = 1,911.14/x
  3. Step 3: Cross multiply
    5,198.82x = 7,793.58 × 1,911.14
  4. Step 4: Simplify right side
    5,198.82x = 14,894,622.48
  5. Step 5: Solve for x
    x = 14,894,622.48/5,198.82
  6. Step 6: Final answer
    x = 2,865.00

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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.