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Finding the Fourth Proportional to 3,100.29, 4,276.51 and 1,840.51

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Solution

The fourth proportional to 3,100.29, 4,276.51 and 1,840.51 is: 2,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.29 : 4,276.51 = 1,840.51 : x
  2. Step 2: Convert to fraction form
    3,100.29/4,276.51 = 1,840.51/x
  3. Step 3: Cross multiply
    3,100.29x = 4,276.51 × 1,840.51
  4. Step 4: Simplify right side
    3,100.29x = 7,870,959.42
  5. Step 5: Solve for x
    x = 7,870,959.42/3,100.29
  6. Step 6: Final answer
    x = 2,538.78

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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.