Home / 3,901.41-5,383.84-2,133.03

Finding the Fourth Proportional to 3,901.41, 5,383.84 and 2,133.03

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Solution

The fourth proportional to 3,901.41, 5,383.84 and 2,133.03 is: 2,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.41 : 5,383.84 = 2,133.03 : x
  2. Step 2: Convert to fraction form
    3,901.41/5,383.84 = 2,133.03/x
  3. Step 3: Cross multiply
    3,901.41x = 5,383.84 × 2,133.03
  4. Step 4: Simplify right side
    3,901.41x = 11,483,892.24
  5. Step 5: Solve for x
    x = 11,483,892.24/3,901.41
  6. Step 6: Final answer
    x = 2,943.52

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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.