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Finding the Fourth Proportional to 2,797.09, 3,860.17 and 1,851.25

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Solution

The fourth proportional to 2,797.09, 3,860.17 and 1,851.25 is: 2,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.09 : 3,860.17 = 1,851.25 : x
  2. Step 2: Convert to fraction form
    2,797.09/3,860.17 = 1,851.25/x
  3. Step 3: Cross multiply
    2,797.09x = 3,860.17 × 1,851.25
  4. Step 4: Simplify right side
    2,797.09x = 7,146,139.71
  5. Step 5: Solve for x
    x = 7,146,139.71/2,797.09
  6. Step 6: Final answer
    x = 2,554.85

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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.