Home / 3,192.54-4,401.90-2,749.68

Finding the Fourth Proportional to 3,192.54, 4,401.90 and 2,749.68

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Solution

The fourth proportional to 3,192.54, 4,401.90 and 2,749.68 is: 3,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.54 : 4,401.90 = 2,749.68 : x
  2. Step 2: Convert to fraction form
    3,192.54/4,401.90 = 2,749.68/x
  3. Step 3: Cross multiply
    3,192.54x = 4,401.90 × 2,749.68
  4. Step 4: Simplify right side
    3,192.54x = 12,103,816.39
  5. Step 5: Solve for x
    x = 12,103,816.39/3,192.54
  6. Step 6: Final answer
    x = 3,791.28

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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.