Home / 2,137.39-2,949.59-1,297.87

Finding the Fourth Proportional to 2,137.39, 2,949.59 and 1,297.87

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Solution

The fourth proportional to 2,137.39, 2,949.59 and 1,297.87 is: 1,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.39 : 2,949.59 = 1,297.87 : x
  2. Step 2: Convert to fraction form
    2,137.39/2,949.59 = 1,297.87/x
  3. Step 3: Cross multiply
    2,137.39x = 2,949.59 × 1,297.87
  4. Step 4: Simplify right side
    2,137.39x = 3,828,180.24
  5. Step 5: Solve for x
    x = 3,828,180.24/2,137.39
  6. Step 6: Final answer
    x = 1,791.06

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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.