Home / 4,815.92-7,226.32-2,218.34

Finding the Fourth Proportional to 4,815.92, 7,226.32 and 2,218.34

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Solution

The fourth proportional to 4,815.92, 7,226.32 and 2,218.34 is: 3,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.92 : 7,226.32 = 2,218.34 : x
  2. Step 2: Convert to fraction form
    4,815.92/7,226.32 = 2,218.34/x
  3. Step 3: Cross multiply
    4,815.92x = 7,226.32 × 2,218.34
  4. Step 4: Simplify right side
    4,815.92x = 16,030,434.71
  5. Step 5: Solve for x
    x = 16,030,434.71/4,815.92
  6. Step 6: Final answer
    x = 3,328.63

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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.