Home / 2,092.38-3,116.70-1,997.62

Finding the Fourth Proportional to 2,092.38, 3,116.70 and 1,997.62

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Solution

The fourth proportional to 2,092.38, 3,116.70 and 1,997.62 is: 2,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.38 : 3,116.70 = 1,997.62 : x
  2. Step 2: Convert to fraction form
    2,092.38/3,116.70 = 1,997.62/x
  3. Step 3: Cross multiply
    2,092.38x = 3,116.70 × 1,997.62
  4. Step 4: Simplify right side
    2,092.38x = 6,225,982.25
  5. Step 5: Solve for x
    x = 6,225,982.25/2,092.38
  6. Step 6: Final answer
    x = 2,975.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.