Home / 3,815.92-5,265.48-2,243.44

Finding the Fourth Proportional to 3,815.92, 5,265.48 and 2,243.44

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Solution

The fourth proportional to 3,815.92, 5,265.48 and 2,243.44 is: 3,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.92 : 5,265.48 = 2,243.44 : x
  2. Step 2: Convert to fraction form
    3,815.92/5,265.48 = 2,243.44/x
  3. Step 3: Cross multiply
    3,815.92x = 5,265.48 × 2,243.44
  4. Step 4: Simplify right side
    3,815.92x = 11,812,788.45
  5. Step 5: Solve for x
    x = 11,812,788.45/3,815.92
  6. Step 6: Final answer
    x = 3,095.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.