Home / 2,836.67-3,918.61-2,273.25

Finding the Fourth Proportional to 2,836.67, 3,918.61 and 2,273.25

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Solution

The fourth proportional to 2,836.67, 3,918.61 and 2,273.25 is: 3,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.67 : 3,918.61 = 2,273.25 : x
  2. Step 2: Convert to fraction form
    2,836.67/3,918.61 = 2,273.25/x
  3. Step 3: Cross multiply
    2,836.67x = 3,918.61 × 2,273.25
  4. Step 4: Simplify right side
    2,836.67x = 8,907,975.68
  5. Step 5: Solve for x
    x = 8,907,975.68/2,836.67
  6. Step 6: Final answer
    x = 3,140.29

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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.