Home / 5,135.13-7,695.18-2,793.15

Finding the Fourth Proportional to 5,135.13, 7,695.18 and 2,793.15

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Solution

The fourth proportional to 5,135.13, 7,695.18 and 2,793.15 is: 4,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.13 : 7,695.18 = 2,793.15 : x
  2. Step 2: Convert to fraction form
    5,135.13/7,695.18 = 2,793.15/x
  3. Step 3: Cross multiply
    5,135.13x = 7,695.18 × 2,793.15
  4. Step 4: Simplify right side
    5,135.13x = 21,493,792.02
  5. Step 5: Solve for x
    x = 21,493,792.02/5,135.13
  6. Step 6: Final answer
    x = 4,185.64

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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.