Home / 2,720.76-4,068.66-2,027.91

Finding the Fourth Proportional to 2,720.76, 4,068.66 and 2,027.91

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Solution

The fourth proportional to 2,720.76, 4,068.66 and 2,027.91 is: 3,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.76 : 4,068.66 = 2,027.91 : x
  2. Step 2: Convert to fraction form
    2,720.76/4,068.66 = 2,027.91/x
  3. Step 3: Cross multiply
    2,720.76x = 4,068.66 × 2,027.91
  4. Step 4: Simplify right side
    2,720.76x = 8,250,876.30
  5. Step 5: Solve for x
    x = 8,250,876.30/2,720.76
  6. Step 6: Final answer
    x = 3,032.56

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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.