Home / 3,247.84-4,478.46-2,198.08

Finding the Fourth Proportional to 3,247.84, 4,478.46 and 2,198.08

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Solution

The fourth proportional to 3,247.84, 4,478.46 and 2,198.08 is: 3,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.84 : 4,478.46 = 2,198.08 : x
  2. Step 2: Convert to fraction form
    3,247.84/4,478.46 = 2,198.08/x
  3. Step 3: Cross multiply
    3,247.84x = 4,478.46 × 2,198.08
  4. Step 4: Simplify right side
    3,247.84x = 9,844,013.36
  5. Step 5: Solve for x
    x = 9,844,013.36/3,247.84
  6. Step 6: Final answer
    x = 3,030.94

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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.