Home / 2,827.10-3,903.19-1,819.26

Finding the Fourth Proportional to 2,827.10, 3,903.19 and 1,819.26

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Solution

The fourth proportional to 2,827.10, 3,903.19 and 1,819.26 is: 2,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.10 : 3,903.19 = 1,819.26 : x
  2. Step 2: Convert to fraction form
    2,827.10/3,903.19 = 1,819.26/x
  3. Step 3: Cross multiply
    2,827.10x = 3,903.19 × 1,819.26
  4. Step 4: Simplify right side
    2,827.10x = 7,100,912.89
  5. Step 5: Solve for x
    x = 7,100,912.89/2,827.10
  6. Step 6: Final answer
    x = 2,511.73

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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.