Home / 3,194.43-4,407.96-1,777.89

Finding the Fourth Proportional to 3,194.43, 4,407.96 and 1,777.89

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Solution

The fourth proportional to 3,194.43, 4,407.96 and 1,777.89 is: 2,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.43 : 4,407.96 = 1,777.89 : x
  2. Step 2: Convert to fraction form
    3,194.43/4,407.96 = 1,777.89/x
  3. Step 3: Cross multiply
    3,194.43x = 4,407.96 × 1,777.89
  4. Step 4: Simplify right side
    3,194.43x = 7,836,868.00
  5. Step 5: Solve for x
    x = 7,836,868.00/3,194.43
  6. Step 6: Final answer
    x = 2,453.29

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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.