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Finding the Fourth Proportional to 2,894.97, 3,995.08 and 1,568.68

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Solution

The fourth proportional to 2,894.97, 3,995.08 and 1,568.68 is: 2,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.97 : 3,995.08 = 1,568.68 : x
  2. Step 2: Convert to fraction form
    2,894.97/3,995.08 = 1,568.68/x
  3. Step 3: Cross multiply
    2,894.97x = 3,995.08 × 1,568.68
  4. Step 4: Simplify right side
    2,894.97x = 6,267,002.09
  5. Step 5: Solve for x
    x = 6,267,002.09/2,894.97
  6. Step 6: Final answer
    x = 2,164.79

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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.