Home / 3,981.96-5,973.06-2,238.12

Finding the Fourth Proportional to 3,981.96, 5,973.06 and 2,238.12

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Solution

The fourth proportional to 3,981.96, 5,973.06 and 2,238.12 is: 3,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.96 : 5,973.06 = 2,238.12 : x
  2. Step 2: Convert to fraction form
    3,981.96/5,973.06 = 2,238.12/x
  3. Step 3: Cross multiply
    3,981.96x = 5,973.06 × 2,238.12
  4. Step 4: Simplify right side
    3,981.96x = 13,368,425.05
  5. Step 5: Solve for x
    x = 13,368,425.05/3,981.96
  6. Step 6: Final answer
    x = 3,357.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.