Home / 3,679.05-5,074.56-2,352.12

Finding the Fourth Proportional to 3,679.05, 5,074.56 and 2,352.12

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Solution

The fourth proportional to 3,679.05, 5,074.56 and 2,352.12 is: 3,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.05 : 5,074.56 = 2,352.12 : x
  2. Step 2: Convert to fraction form
    3,679.05/5,074.56 = 2,352.12/x
  3. Step 3: Cross multiply
    3,679.05x = 5,074.56 × 2,352.12
  4. Step 4: Simplify right side
    3,679.05x = 11,935,974.07
  5. Step 5: Solve for x
    x = 11,935,974.07/3,679.05
  6. Step 6: Final answer
    x = 3,244.31

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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.