Home / 5,199.14-7,801.68-2,736.20

Finding the Fourth Proportional to 5,199.14, 7,801.68 and 2,736.20

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Solution

The fourth proportional to 5,199.14, 7,801.68 and 2,736.20 is: 4,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.14 : 7,801.68 = 2,736.20 : x
  2. Step 2: Convert to fraction form
    5,199.14/7,801.68 = 2,736.20/x
  3. Step 3: Cross multiply
    5,199.14x = 7,801.68 × 2,736.20
  4. Step 4: Simplify right side
    5,199.14x = 21,346,956.82
  5. Step 5: Solve for x
    x = 21,346,956.82/5,199.14
  6. Step 6: Final answer
    x = 4,105.86

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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.