Home / 3,492.21-5,236-1,382.44

Finding the Fourth Proportional to 3,492.21, 5,236 and 1,382.44

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Solution

The fourth proportional to 3,492.21, 5,236 and 1,382.44 is: 2,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.21 : 5,236 = 1,382.44 : x
  2. Step 2: Convert to fraction form
    3,492.21/5,236 = 1,382.44/x
  3. Step 3: Cross multiply
    3,492.21x = 5,236 × 1,382.44
  4. Step 4: Simplify right side
    3,492.21x = 7,238,429.66
  5. Step 5: Solve for x
    x = 7,238,429.66/3,492.21
  6. Step 6: Final answer
    x = 2,072.74

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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.