Home / 3,916.92-5,873.72-2,684.70

Finding the Fourth Proportional to 3,916.92, 5,873.72 and 2,684.70

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Solution

The fourth proportional to 3,916.92, 5,873.72 and 2,684.70 is: 4,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.92 : 5,873.72 = 2,684.70 : x
  2. Step 2: Convert to fraction form
    3,916.92/5,873.72 = 2,684.70/x
  3. Step 3: Cross multiply
    3,916.92x = 5,873.72 × 2,684.70
  4. Step 4: Simplify right side
    3,916.92x = 15,769,176.08
  5. Step 5: Solve for x
    x = 15,769,176.08/3,916.92
  6. Step 6: Final answer
    x = 4,025.91

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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.