Home / 3,921.32-5,411.58-2,243

Finding the Fourth Proportional to 3,921.32, 5,411.58 and 2,243

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Solution

The fourth proportional to 3,921.32, 5,411.58 and 2,243 is: 3,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.32 : 5,411.58 = 2,243 : x
  2. Step 2: Convert to fraction form
    3,921.32/5,411.58 = 2,243/x
  3. Step 3: Cross multiply
    3,921.32x = 5,411.58 × 2,243
  4. Step 4: Simplify right side
    3,921.32x = 12,138,173.94
  5. Step 5: Solve for x
    x = 12,138,173.94/3,921.32
  6. Step 6: Final answer
    x = 3,095.43

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