Home / 3,198.24-4,790.95-2,541.20

Finding the Fourth Proportional to 3,198.24, 4,790.95 and 2,541.20

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Solution

The fourth proportional to 3,198.24, 4,790.95 and 2,541.20 is: 3,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.24 : 4,790.95 = 2,541.20 : x
  2. Step 2: Convert to fraction form
    3,198.24/4,790.95 = 2,541.20/x
  3. Step 3: Cross multiply
    3,198.24x = 4,790.95 × 2,541.20
  4. Step 4: Simplify right side
    3,198.24x = 12,174,731.83
  5. Step 5: Solve for x
    x = 12,174,731.83/3,198.24
  6. Step 6: Final answer
    x = 3,806.70

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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.