Home / 3,133.22-4,319.86-2,238.03

Finding the Fourth Proportional to 3,133.22, 4,319.86 and 2,238.03

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Solution

The fourth proportional to 3,133.22, 4,319.86 and 2,238.03 is: 3,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.22 : 4,319.86 = 2,238.03 : x
  2. Step 2: Convert to fraction form
    3,133.22/4,319.86 = 2,238.03/x
  3. Step 3: Cross multiply
    3,133.22x = 4,319.86 × 2,238.03
  4. Step 4: Simplify right side
    3,133.22x = 9,667,995.27
  5. Step 5: Solve for x
    x = 9,667,995.27/3,133.22
  6. Step 6: Final answer
    x = 3,085.64

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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.