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Finding the Fourth Proportional to 3,707.03, 5,115.92 and 2,114.16

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Solution

The fourth proportional to 3,707.03, 5,115.92 and 2,114.16 is: 2,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.03 : 5,115.92 = 2,114.16 : x
  2. Step 2: Convert to fraction form
    3,707.03/5,115.92 = 2,114.16/x
  3. Step 3: Cross multiply
    3,707.03x = 5,115.92 × 2,114.16
  4. Step 4: Simplify right side
    3,707.03x = 10,815,873.43
  5. Step 5: Solve for x
    x = 10,815,873.43/3,707.03
  6. Step 6: Final answer
    x = 2,917.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.