Home / 5,407.76-8,104.57-2,773.03

Finding the Fourth Proportional to 5,407.76, 8,104.57 and 2,773.03

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Solution

The fourth proportional to 5,407.76, 8,104.57 and 2,773.03 is: 4,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.76 : 8,104.57 = 2,773.03 : x
  2. Step 2: Convert to fraction form
    5,407.76/8,104.57 = 2,773.03/x
  3. Step 3: Cross multiply
    5,407.76x = 8,104.57 × 2,773.03
  4. Step 4: Simplify right side
    5,407.76x = 22,474,215.75
  5. Step 5: Solve for x
    x = 22,474,215.75/5,407.76
  6. Step 6: Final answer
    x = 4,155.92

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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.