Home / 2,194.75-3,028.76-1,263.25

Finding the Fourth Proportional to 2,194.75, 3,028.76 and 1,263.25

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Solution

The fourth proportional to 2,194.75, 3,028.76 and 1,263.25 is: 1,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.75 : 3,028.76 = 1,263.25 : x
  2. Step 2: Convert to fraction form
    2,194.75/3,028.76 = 1,263.25/x
  3. Step 3: Cross multiply
    2,194.75x = 3,028.76 × 1,263.25
  4. Step 4: Simplify right side
    2,194.75x = 3,826,081.07
  5. Step 5: Solve for x
    x = 3,826,081.07/2,194.75
  6. Step 6: Final answer
    x = 1,743.29

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.