Home / 2,189.07-3,283.61-1,092.33

Finding the Fourth Proportional to 2,189.07, 3,283.61 and 1,092.33

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Solution

The fourth proportional to 2,189.07, 3,283.61 and 1,092.33 is: 1,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.07 : 3,283.61 = 1,092.33 : x
  2. Step 2: Convert to fraction form
    2,189.07/3,283.61 = 1,092.33/x
  3. Step 3: Cross multiply
    2,189.07x = 3,283.61 × 1,092.33
  4. Step 4: Simplify right side
    2,189.07x = 3,586,780.25
  5. Step 5: Solve for x
    x = 3,586,780.25/2,189.07
  6. Step 6: Final answer
    x = 1,638.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.