Home / 3,146.08-4,719.28-1,198.48

Finding the Fourth Proportional to 3,146.08, 4,719.28 and 1,198.48

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Solution

The fourth proportional to 3,146.08, 4,719.28 and 1,198.48 is: 1,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.08 : 4,719.28 = 1,198.48 : x
  2. Step 2: Convert to fraction form
    3,146.08/4,719.28 = 1,198.48/x
  3. Step 3: Cross multiply
    3,146.08x = 4,719.28 × 1,198.48
  4. Step 4: Simplify right side
    3,146.08x = 5,655,962.69
  5. Step 5: Solve for x
    x = 5,655,962.69/3,146.08
  6. Step 6: Final answer
    x = 1,797.78

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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.