Home / 2,639.28-3,642.14-1,444.26

Finding the Fourth Proportional to 2,639.28, 3,642.14 and 1,444.26

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Solution

The fourth proportional to 2,639.28, 3,642.14 and 1,444.26 is: 1,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.28 : 3,642.14 = 1,444.26 : x
  2. Step 2: Convert to fraction form
    2,639.28/3,642.14 = 1,444.26/x
  3. Step 3: Cross multiply
    2,639.28x = 3,642.14 × 1,444.26
  4. Step 4: Simplify right side
    2,639.28x = 5,260,187.07
  5. Step 5: Solve for x
    x = 5,260,187.07/2,639.28
  6. Step 6: Final answer
    x = 1,993.04

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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.