Home / 3,723.12-5,125.68-3,224.16

Finding the Fourth Proportional to 3,723.12, 5,125.68 and 3,224.16

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Solution

The fourth proportional to 3,723.12, 5,125.68 and 3,224.16 is: 4,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.12 : 5,125.68 = 3,224.16 : x
  2. Step 2: Convert to fraction form
    3,723.12/5,125.68 = 3,224.16/x
  3. Step 3: Cross multiply
    3,723.12x = 5,125.68 × 3,224.16
  4. Step 4: Simplify right side
    3,723.12x = 16,526,012.43
  5. Step 5: Solve for x
    x = 16,526,012.43/3,723.12
  6. Step 6: Final answer
    x = 4,438.75

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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.