Home / 5,198.16-7,173.16-2,959.99

Finding the Fourth Proportional to 5,198.16, 7,173.16 and 2,959.99

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Solution

The fourth proportional to 5,198.16, 7,173.16 and 2,959.99 is: 4,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.16 : 7,173.16 = 2,959.99 : x
  2. Step 2: Convert to fraction form
    5,198.16/7,173.16 = 2,959.99/x
  3. Step 3: Cross multiply
    5,198.16x = 7,173.16 × 2,959.99
  4. Step 4: Simplify right side
    5,198.16x = 21,232,481.87
  5. Step 5: Solve for x
    x = 21,232,481.87/5,198.16
  6. Step 6: Final answer
    x = 4,084.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.