Home / 2,839.26-3,918.74-1,644.44

Finding the Fourth Proportional to 2,839.26, 3,918.74 and 1,644.44

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Solution

The fourth proportional to 2,839.26, 3,918.74 and 1,644.44 is: 2,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.26 : 3,918.74 = 1,644.44 : x
  2. Step 2: Convert to fraction form
    2,839.26/3,918.74 = 1,644.44/x
  3. Step 3: Cross multiply
    2,839.26x = 3,918.74 × 1,644.44
  4. Step 4: Simplify right side
    2,839.26x = 6,444,120.64
  5. Step 5: Solve for x
    x = 6,444,120.64/2,839.26
  6. Step 6: Final answer
    x = 2,269.65

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1.5x scale

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.