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Finding the Fourth Proportional to 5,174.89, 7,141.14 and 2,936.72

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Solution

The fourth proportional to 5,174.89, 7,141.14 and 2,936.72 is: 4,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.89 : 7,141.14 = 2,936.72 : x
  2. Step 2: Convert to fraction form
    5,174.89/7,141.14 = 2,936.72/x
  3. Step 3: Cross multiply
    5,174.89x = 7,141.14 × 2,936.72
  4. Step 4: Simplify right side
    5,174.89x = 20,971,492.96
  5. Step 5: Solve for x
    x = 20,971,492.96/5,174.89
  6. Step 6: Final answer
    x = 4,052.55

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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.