Home / 3,983.54-5,497.19-2,190.93

Finding the Fourth Proportional to 3,983.54, 5,497.19 and 2,190.93

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Solution

The fourth proportional to 3,983.54, 5,497.19 and 2,190.93 is: 3,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.54 : 5,497.19 = 2,190.93 : x
  2. Step 2: Convert to fraction form
    3,983.54/5,497.19 = 2,190.93/x
  3. Step 3: Cross multiply
    3,983.54x = 5,497.19 × 2,190.93
  4. Step 4: Simplify right side
    3,983.54x = 12,043,958.49
  5. Step 5: Solve for x
    x = 12,043,958.49/3,983.54
  6. Step 6: Final answer
    x = 3,023.43

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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.