Home / 2,168.97-3,236.43-2,036.75

Finding the Fourth Proportional to 2,168.97, 3,236.43 and 2,036.75

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Solution

The fourth proportional to 2,168.97, 3,236.43 and 2,036.75 is: 3,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.97 : 3,236.43 = 2,036.75 : x
  2. Step 2: Convert to fraction form
    2,168.97/3,236.43 = 2,036.75/x
  3. Step 3: Cross multiply
    2,168.97x = 3,236.43 × 2,036.75
  4. Step 4: Simplify right side
    2,168.97x = 6,591,782.62
  5. Step 5: Solve for x
    x = 6,591,782.62/2,168.97
  6. Step 6: Final answer
    x = 3,039.13

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Find fourth proportional to 1,084.49, 1,618.22 and 1,018.37
Half scale
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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.