Home / 3,952.12-5,453.34-2,183.80

Finding the Fourth Proportional to 3,952.12, 5,453.34 and 2,183.80

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Solution

The fourth proportional to 3,952.12, 5,453.34 and 2,183.80 is: 3,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.12 : 5,453.34 = 2,183.80 : x
  2. Step 2: Convert to fraction form
    3,952.12/5,453.34 = 2,183.80/x
  3. Step 3: Cross multiply
    3,952.12x = 5,453.34 × 2,183.80
  4. Step 4: Simplify right side
    3,952.12x = 11,909,003.89
  5. Step 5: Solve for x
    x = 11,909,003.89/3,952.12
  6. Step 6: Final answer
    x = 3,013.32

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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.