Home / 1,914.11-2,643.41-1,441.26

Finding the Fourth Proportional to 1,914.11, 2,643.41 and 1,441.26

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Solution

The fourth proportional to 1,914.11, 2,643.41 and 1,441.26 is: 1,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.11 : 2,643.41 = 1,441.26 : x
  2. Step 2: Convert to fraction form
    1,914.11/2,643.41 = 1,441.26/x
  3. Step 3: Cross multiply
    1,914.11x = 2,643.41 × 1,441.26
  4. Step 4: Simplify right side
    1,914.11x = 3,809,827.21
  5. Step 5: Solve for x
    x = 3,809,827.21/1,914.11
  6. Step 6: Final answer
    x = 1,990.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.