Home / 2,810.22-3,878.31-2,067.58

Finding the Fourth Proportional to 2,810.22, 3,878.31 and 2,067.58

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Solution

The fourth proportional to 2,810.22, 3,878.31 and 2,067.58 is: 2,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.22 : 3,878.31 = 2,067.58 : x
  2. Step 2: Convert to fraction form
    2,810.22/3,878.31 = 2,067.58/x
  3. Step 3: Cross multiply
    2,810.22x = 3,878.31 × 2,067.58
  4. Step 4: Simplify right side
    2,810.22x = 8,018,716.19
  5. Step 5: Solve for x
    x = 8,018,716.19/2,810.22
  6. Step 6: Final answer
    x = 2,853.41

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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.