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Finding the Fourth Proportional to 2,750.91, 3,796.31 and 1,491.99

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Solution

The fourth proportional to 2,750.91, 3,796.31 and 1,491.99 is: 2,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.91 : 3,796.31 = 1,491.99 : x
  2. Step 2: Convert to fraction form
    2,750.91/3,796.31 = 1,491.99/x
  3. Step 3: Cross multiply
    2,750.91x = 3,796.31 × 1,491.99
  4. Step 4: Simplify right side
    2,750.91x = 5,664,056.56
  5. Step 5: Solve for x
    x = 5,664,056.56/2,750.91
  6. Step 6: Final answer
    x = 2,058.98

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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.