Home / 2,171.46-2,993.83-1,424.13

Finding the Fourth Proportional to 2,171.46, 2,993.83 and 1,424.13

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Solution

The fourth proportional to 2,171.46, 2,993.83 and 1,424.13 is: 1,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.46 : 2,993.83 = 1,424.13 : x
  2. Step 2: Convert to fraction form
    2,171.46/2,993.83 = 1,424.13/x
  3. Step 3: Cross multiply
    2,171.46x = 2,993.83 × 1,424.13
  4. Step 4: Simplify right side
    2,171.46x = 4,263,603.12
  5. Step 5: Solve for x
    x = 4,263,603.12/2,171.46
  6. Step 6: Final answer
    x = 1,963.47

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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.