Home / 3,952.01-5,453.78-2,183.62

Finding the Fourth Proportional to 3,952.01, 5,453.78 and 2,183.62

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Solution

The fourth proportional to 3,952.01, 5,453.78 and 2,183.62 is: 3,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.01 : 5,453.78 = 2,183.62 : x
  2. Step 2: Convert to fraction form
    3,952.01/5,453.78 = 2,183.62/x
  3. Step 3: Cross multiply
    3,952.01x = 5,453.78 × 2,183.62
  4. Step 4: Simplify right side
    3,952.01x = 11,908,983.08
  5. Step 5: Solve for x
    x = 11,908,983.08/3,952.01
  6. Step 6: Final answer
    x = 3,013.40

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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.