Home / 3,636.24-5,019.92-2,447.48

Finding the Fourth Proportional to 3,636.24, 5,019.92 and 2,447.48

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Solution

The fourth proportional to 3,636.24, 5,019.92 and 2,447.48 is: 3,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.24 : 5,019.92 = 2,447.48 : x
  2. Step 2: Convert to fraction form
    3,636.24/5,019.92 = 2,447.48/x
  3. Step 3: Cross multiply
    3,636.24x = 5,019.92 × 2,447.48
  4. Step 4: Simplify right side
    3,636.24x = 12,286,153.65
  5. Step 5: Solve for x
    x = 12,286,153.65/3,636.24
  6. Step 6: Final answer
    x = 3,378.80

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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.