Home / 5,906.28-8,856.42-2,620.38

Finding the Fourth Proportional to 5,906.28, 8,856.42 and 2,620.38

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Solution

The fourth proportional to 5,906.28, 8,856.42 and 2,620.38 is: 3,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.28 : 8,856.42 = 2,620.38 : x
  2. Step 2: Convert to fraction form
    5,906.28/8,856.42 = 2,620.38/x
  3. Step 3: Cross multiply
    5,906.28x = 8,856.42 × 2,620.38
  4. Step 4: Simplify right side
    5,906.28x = 23,207,185.84
  5. Step 5: Solve for x
    x = 23,207,185.84/5,906.28
  6. Step 6: Final answer
    x = 3,929.24

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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.