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Finding the Fourth Proportional to 2,792.88, 3,859.04 and 2,295.14

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Solution

The fourth proportional to 2,792.88, 3,859.04 and 2,295.14 is: 3,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.88 : 3,859.04 = 2,295.14 : x
  2. Step 2: Convert to fraction form
    2,792.88/3,859.04 = 2,295.14/x
  3. Step 3: Cross multiply
    2,792.88x = 3,859.04 × 2,295.14
  4. Step 4: Simplify right side
    2,792.88x = 8,857,023.51
  5. Step 5: Solve for x
    x = 8,857,023.51/2,792.88
  6. Step 6: Final answer
    x = 3,171.29

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1.5x scale

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.