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Finding the Fourth Proportional to 2,751.40, 3,797.61 and 1,573.15

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Solution

The fourth proportional to 2,751.40, 3,797.61 and 1,573.15 is: 2,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.40 : 3,797.61 = 1,573.15 : x
  2. Step 2: Convert to fraction form
    2,751.40/3,797.61 = 1,573.15/x
  3. Step 3: Cross multiply
    2,751.40x = 3,797.61 × 1,573.15
  4. Step 4: Simplify right side
    2,751.40x = 5,974,210.17
  5. Step 5: Solve for x
    x = 5,974,210.17/2,751.40
  6. Step 6: Final answer
    x = 2,171.33

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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.