Home / 4,192-5,789.82-2,792.32

Finding the Fourth Proportional to 4,192, 5,789.82 and 2,792.32

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Solution

The fourth proportional to 4,192, 5,789.82 and 2,792.32 is: 3,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192 : 5,789.82 = 2,792.32 : x
  2. Step 2: Convert to fraction form
    4,192/5,789.82 = 2,792.32/x
  3. Step 3: Cross multiply
    4,192x = 5,789.82 × 2,792.32
  4. Step 4: Simplify right side
    4,192x = 16,167,030.18
  5. Step 5: Solve for x
    x = 16,167,030.18/4,192
  6. Step 6: Final answer
    x = 3,856.64

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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.