Home / 2,836.90-4,252.20-1,192.96

Finding the Fourth Proportional to 2,836.90, 4,252.20 and 1,192.96

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Solution

The fourth proportional to 2,836.90, 4,252.20 and 1,192.96 is: 1,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.90 : 4,252.20 = 1,192.96 : x
  2. Step 2: Convert to fraction form
    2,836.90/4,252.20 = 1,192.96/x
  3. Step 3: Cross multiply
    2,836.90x = 4,252.20 × 1,192.96
  4. Step 4: Simplify right side
    2,836.90x = 5,072,704.51
  5. Step 5: Solve for x
    x = 5,072,704.51/2,836.90
  6. Step 6: Final answer
    x = 1,788.12

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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.