Home / 2,799.14-4,199.66-1,238.93

Finding the Fourth Proportional to 2,799.14, 4,199.66 and 1,238.93

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Solution

The fourth proportional to 2,799.14, 4,199.66 and 1,238.93 is: 1,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.14 : 4,199.66 = 1,238.93 : x
  2. Step 2: Convert to fraction form
    2,799.14/4,199.66 = 1,238.93/x
  3. Step 3: Cross multiply
    2,799.14x = 4,199.66 × 1,238.93
  4. Step 4: Simplify right side
    2,799.14x = 5,203,096.75
  5. Step 5: Solve for x
    x = 5,203,096.75/2,799.14
  6. Step 6: Final answer
    x = 1,858.82

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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.