Home / 3,531.06-4,871.97-2,133.54

Finding the Fourth Proportional to 3,531.06, 4,871.97 and 2,133.54

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Solution

The fourth proportional to 3,531.06, 4,871.97 and 2,133.54 is: 2,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.06 : 4,871.97 = 2,133.54 : x
  2. Step 2: Convert to fraction form
    3,531.06/4,871.97 = 2,133.54/x
  3. Step 3: Cross multiply
    3,531.06x = 4,871.97 × 2,133.54
  4. Step 4: Simplify right side
    3,531.06x = 10,394,542.87
  5. Step 5: Solve for x
    x = 10,394,542.87/3,531.06
  6. Step 6: Final answer
    x = 2,943.75

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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.