Home / 3,901.22-5,383.67-2,199.59

Finding the Fourth Proportional to 3,901.22, 5,383.67 and 2,199.59

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Solution

The fourth proportional to 3,901.22, 5,383.67 and 2,199.59 is: 3,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.22 : 5,383.67 = 2,199.59 : x
  2. Step 2: Convert to fraction form
    3,901.22/5,383.67 = 2,199.59/x
  3. Step 3: Cross multiply
    3,901.22x = 5,383.67 × 2,199.59
  4. Step 4: Simplify right side
    3,901.22x = 11,841,866.70
  5. Step 5: Solve for x
    x = 11,841,866.70/3,901.22
  6. Step 6: Final answer
    x = 3,035.43

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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.