Home / 5,759.75-8,639.64-3,906.27

Finding the Fourth Proportional to 5,759.75, 8,639.64 and 3,906.27

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Solution

The fourth proportional to 5,759.75, 8,639.64 and 3,906.27 is: 5,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.75 : 8,639.64 = 3,906.27 : x
  2. Step 2: Convert to fraction form
    5,759.75/8,639.64 = 3,906.27/x
  3. Step 3: Cross multiply
    5,759.75x = 8,639.64 × 3,906.27
  4. Step 4: Simplify right side
    5,759.75x = 33,748,747.01
  5. Step 5: Solve for x
    x = 33,748,747.01/5,759.75
  6. Step 6: Final answer
    x = 5,859.41

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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.