Home / 3,194.77-4,408.73-1,778.44

Finding the Fourth Proportional to 3,194.77, 4,408.73 and 1,778.44

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Solution

The fourth proportional to 3,194.77, 4,408.73 and 1,778.44 is: 2,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.77 : 4,408.73 = 1,778.44 : x
  2. Step 2: Convert to fraction form
    3,194.77/4,408.73 = 1,778.44/x
  3. Step 3: Cross multiply
    3,194.77x = 4,408.73 × 1,778.44
  4. Step 4: Simplify right side
    3,194.77x = 7,840,648.54
  5. Step 5: Solve for x
    x = 7,840,648.54/3,194.77
  6. Step 6: Final answer
    x = 2,454.22

Related Problems

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