Home / 2,198.12-3,032.04-1,359.08

Finding the Fourth Proportional to 2,198.12, 3,032.04 and 1,359.08

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Solution

The fourth proportional to 2,198.12, 3,032.04 and 1,359.08 is: 1,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.12 : 3,032.04 = 1,359.08 : x
  2. Step 2: Convert to fraction form
    2,198.12/3,032.04 = 1,359.08/x
  3. Step 3: Cross multiply
    2,198.12x = 3,032.04 × 1,359.08
  4. Step 4: Simplify right side
    2,198.12x = 4,120,784.92
  5. Step 5: Solve for x
    x = 4,120,784.92/2,198.12
  6. Step 6: Final answer
    x = 1,874.69

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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.