Home / 5,216.75-7,823.08-2,095.95

Finding the Fourth Proportional to 5,216.75, 7,823.08 and 2,095.95

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Solution

The fourth proportional to 5,216.75, 7,823.08 and 2,095.95 is: 3,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.75 : 7,823.08 = 2,095.95 : x
  2. Step 2: Convert to fraction form
    5,216.75/7,823.08 = 2,095.95/x
  3. Step 3: Cross multiply
    5,216.75x = 7,823.08 × 2,095.95
  4. Step 4: Simplify right side
    5,216.75x = 16,396,794.48
  5. Step 5: Solve for x
    x = 16,396,794.48/5,216.75
  6. Step 6: Final answer
    x = 3,143.10

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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.