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Finding the Fourth Proportional to 3,708.37, 5,118.69 and 2,137.51

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Solution

The fourth proportional to 3,708.37, 5,118.69 and 2,137.51 is: 2,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.37 : 5,118.69 = 2,137.51 : x
  2. Step 2: Convert to fraction form
    3,708.37/5,118.69 = 2,137.51/x
  3. Step 3: Cross multiply
    3,708.37x = 5,118.69 × 2,137.51
  4. Step 4: Simplify right side
    3,708.37x = 10,941,251.06
  5. Step 5: Solve for x
    x = 10,941,251.06/3,708.37
  6. Step 6: Final answer
    x = 2,950.42

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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.