Home / 2,192.62-3,025.82-1,197.90

Finding the Fourth Proportional to 2,192.62, 3,025.82 and 1,197.90

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Solution

The fourth proportional to 2,192.62, 3,025.82 and 1,197.90 is: 1,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.62 : 3,025.82 = 1,197.90 : x
  2. Step 2: Convert to fraction form
    2,192.62/3,025.82 = 1,197.90/x
  3. Step 3: Cross multiply
    2,192.62x = 3,025.82 × 1,197.90
  4. Step 4: Simplify right side
    2,192.62x = 3,624,632.77
  5. Step 5: Solve for x
    x = 3,624,632.77/2,192.62
  6. Step 6: Final answer
    x = 1,653.11

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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.