Home / 3,678.75-5,073.08-2,351.97

Finding the Fourth Proportional to 3,678.75, 5,073.08 and 2,351.97

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Solution

The fourth proportional to 3,678.75, 5,073.08 and 2,351.97 is: 3,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.75 : 5,073.08 = 2,351.97 : x
  2. Step 2: Convert to fraction form
    3,678.75/5,073.08 = 2,351.97/x
  3. Step 3: Cross multiply
    3,678.75x = 5,073.08 × 2,351.97
  4. Step 4: Simplify right side
    3,678.75x = 11,931,720.21
  5. Step 5: Solve for x
    x = 11,931,720.21/3,678.75
  6. Step 6: Final answer
    x = 3,243.42

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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.