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Finding the Fourth Proportional to 2,873.19, 3,956.72 and 2,741.97

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Solution

The fourth proportional to 2,873.19, 3,956.72 and 2,741.97 is: 3,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.19 : 3,956.72 = 2,741.97 : x
  2. Step 2: Convert to fraction form
    2,873.19/3,956.72 = 2,741.97/x
  3. Step 3: Cross multiply
    2,873.19x = 3,956.72 × 2,741.97
  4. Step 4: Simplify right side
    2,873.19x = 10,849,193.83
  5. Step 5: Solve for x
    x = 10,849,193.83/2,873.19
  6. Step 6: Final answer
    x = 3,776.01

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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.