Home / 5,407.15-8,107.83-2,773.59

Finding the Fourth Proportional to 5,407.15, 8,107.83 and 2,773.59

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Solution

The fourth proportional to 5,407.15, 8,107.83 and 2,773.59 is: 4,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.15 : 8,107.83 = 2,773.59 : x
  2. Step 2: Convert to fraction form
    5,407.15/8,107.83 = 2,773.59/x
  3. Step 3: Cross multiply
    5,407.15x = 8,107.83 × 2,773.59
  4. Step 4: Simplify right side
    5,407.15x = 22,487,796.21
  5. Step 5: Solve for x
    x = 22,487,796.21/5,407.15
  6. Step 6: Final answer
    x = 4,158.90

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1.5x scale

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.