Home / 3,952.08-5,453.68-2,183.60

Finding the Fourth Proportional to 3,952.08, 5,453.68 and 2,183.60

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Solution

The fourth proportional to 3,952.08, 5,453.68 and 2,183.60 is: 3,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.08 : 5,453.68 = 2,183.60 : x
  2. Step 2: Convert to fraction form
    3,952.08/5,453.68 = 2,183.60/x
  3. Step 3: Cross multiply
    3,952.08x = 5,453.68 × 2,183.60
  4. Step 4: Simplify right side
    3,952.08x = 11,908,655.65
  5. Step 5: Solve for x
    x = 11,908,655.65/3,952.08
  6. Step 6: Final answer
    x = 3,013.26

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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.