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Finding the Fourth Proportional to 3,764.36, 5,197.41 and 2,878.62

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Solution

The fourth proportional to 3,764.36, 5,197.41 and 2,878.62 is: 3,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.36 : 5,197.41 = 2,878.62 : x
  2. Step 2: Convert to fraction form
    3,764.36/5,197.41 = 2,878.62/x
  3. Step 3: Cross multiply
    3,764.36x = 5,197.41 × 2,878.62
  4. Step 4: Simplify right side
    3,764.36x = 14,961,368.37
  5. Step 5: Solve for x
    x = 14,961,368.37/3,764.36
  6. Step 6: Final answer
    x = 3,974.48

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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.