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Finding the Fourth Proportional to 3,752.91, 5,175.27 and 2,954.79

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Solution

The fourth proportional to 3,752.91, 5,175.27 and 2,954.79 is: 4,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.91 : 5,175.27 = 2,954.79 : x
  2. Step 2: Convert to fraction form
    3,752.91/5,175.27 = 2,954.79/x
  3. Step 3: Cross multiply
    3,752.91x = 5,175.27 × 2,954.79
  4. Step 4: Simplify right side
    3,752.91x = 15,291,836.04
  5. Step 5: Solve for x
    x = 15,291,836.04/3,752.91
  6. Step 6: Final answer
    x = 4,074.66

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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.