Home / 5,252.92-7,874.61-2,621.23

Finding the Fourth Proportional to 5,252.92, 7,874.61 and 2,621.23

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Solution

The fourth proportional to 5,252.92, 7,874.61 and 2,621.23 is: 3,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.92 : 7,874.61 = 2,621.23 : x
  2. Step 2: Convert to fraction form
    5,252.92/7,874.61 = 2,621.23/x
  3. Step 3: Cross multiply
    5,252.92x = 7,874.61 × 2,621.23
  4. Step 4: Simplify right side
    5,252.92x = 20,641,163.97
  5. Step 5: Solve for x
    x = 20,641,163.97/5,252.92
  6. Step 6: Final answer
    x = 3,929.46

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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.