Home / 5,198.22-7,797.99-2,386.37

Finding the Fourth Proportional to 5,198.22, 7,797.99 and 2,386.37

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Solution

The fourth proportional to 5,198.22, 7,797.99 and 2,386.37 is: 3,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.22 : 7,797.99 = 2,386.37 : x
  2. Step 2: Convert to fraction form
    5,198.22/7,797.99 = 2,386.37/x
  3. Step 3: Cross multiply
    5,198.22x = 7,797.99 × 2,386.37
  4. Step 4: Simplify right side
    5,198.22x = 18,608,889.40
  5. Step 5: Solve for x
    x = 18,608,889.40/5,198.22
  6. Step 6: Final answer
    x = 3,579.86

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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.