Home / 5,218.97-7,198.34-3,328.97

Finding the Fourth Proportional to 5,218.97, 7,198.34 and 3,328.97

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Solution

The fourth proportional to 5,218.97, 7,198.34 and 3,328.97 is: 4,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.97 : 7,198.34 = 3,328.97 : x
  2. Step 2: Convert to fraction form
    5,218.97/7,198.34 = 3,328.97/x
  3. Step 3: Cross multiply
    5,218.97x = 7,198.34 × 3,328.97
  4. Step 4: Simplify right side
    5,218.97x = 23,963,005.27
  5. Step 5: Solve for x
    x = 23,963,005.27/5,218.97
  6. Step 6: Final answer
    x = 4,591.52

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1.5x scale

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.