Home / 5,906.94-8,151.41-3,390.54

Finding the Fourth Proportional to 5,906.94, 8,151.41 and 3,390.54

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Solution

The fourth proportional to 5,906.94, 8,151.41 and 3,390.54 is: 4,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.94 : 8,151.41 = 3,390.54 : x
  2. Step 2: Convert to fraction form
    5,906.94/8,151.41 = 3,390.54/x
  3. Step 3: Cross multiply
    5,906.94x = 8,151.41 × 3,390.54
  4. Step 4: Simplify right side
    5,906.94x = 27,637,664.71
  5. Step 5: Solve for x
    x = 27,637,664.71/5,906.94
  6. Step 6: Final answer
    x = 4,678.85

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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.