Home / 3,194.11-4,407.87-1,777.92

Finding the Fourth Proportional to 3,194.11, 4,407.87 and 1,777.92

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Solution

The fourth proportional to 3,194.11, 4,407.87 and 1,777.92 is: 2,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.11 : 4,407.87 = 1,777.92 : x
  2. Step 2: Convert to fraction form
    3,194.11/4,407.87 = 1,777.92/x
  3. Step 3: Cross multiply
    3,194.11x = 4,407.87 × 1,777.92
  4. Step 4: Simplify right side
    3,194.11x = 7,836,840.23
  5. Step 5: Solve for x
    x = 7,836,840.23/3,194.11
  6. Step 6: Final answer
    x = 2,453.53

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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.