Home / 3,926.92-5,868.74-2,874.94

Finding the Fourth Proportional to 3,926.92, 5,868.74 and 2,874.94

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Solution

The fourth proportional to 3,926.92, 5,868.74 and 2,874.94 is: 4,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.92 : 5,868.74 = 2,874.94 : x
  2. Step 2: Convert to fraction form
    3,926.92/5,868.74 = 2,874.94/x
  3. Step 3: Cross multiply
    3,926.92x = 5,868.74 × 2,874.94
  4. Step 4: Simplify right side
    3,926.92x = 16,872,275.38
  5. Step 5: Solve for x
    x = 16,872,275.38/3,926.92
  6. Step 6: Final answer
    x = 4,296.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.