Home / 4,815.75-7,226.51-2,079.75

Finding the Fourth Proportional to 4,815.75, 7,226.51 and 2,079.75

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Solution

The fourth proportional to 4,815.75, 7,226.51 and 2,079.75 is: 3,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.75 : 7,226.51 = 2,079.75 : x
  2. Step 2: Convert to fraction form
    4,815.75/7,226.51 = 2,079.75/x
  3. Step 3: Cross multiply
    4,815.75x = 7,226.51 × 2,079.75
  4. Step 4: Simplify right side
    4,815.75x = 15,029,334.17
  5. Step 5: Solve for x
    x = 15,029,334.17/4,815.75
  6. Step 6: Final answer
    x = 3,120.87

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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.