Home / 3,958.70-5,464.86-2,634.56

Finding the Fourth Proportional to 3,958.70, 5,464.86 and 2,634.56

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Solution

The fourth proportional to 3,958.70, 5,464.86 and 2,634.56 is: 3,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.70 : 5,464.86 = 2,634.56 : x
  2. Step 2: Convert to fraction form
    3,958.70/5,464.86 = 2,634.56/x
  3. Step 3: Cross multiply
    3,958.70x = 5,464.86 × 2,634.56
  4. Step 4: Simplify right side
    3,958.70x = 14,397,501.56
  5. Step 5: Solve for x
    x = 14,397,501.56/3,958.70
  6. Step 6: Final answer
    x = 3,636.93

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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.