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Finding the Fourth Proportional to 3,754.99, 5,181.86 and 2,076.51

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Solution

The fourth proportional to 3,754.99, 5,181.86 and 2,076.51 is: 2,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.99 : 5,181.86 = 2,076.51 : x
  2. Step 2: Convert to fraction form
    3,754.99/5,181.86 = 2,076.51/x
  3. Step 3: Cross multiply
    3,754.99x = 5,181.86 × 2,076.51
  4. Step 4: Simplify right side
    3,754.99x = 10,760,208.73
  5. Step 5: Solve for x
    x = 10,760,208.73/3,754.99
  6. Step 6: Final answer
    x = 2,865.57

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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.