Home / 5,083.67-7,015.38-2,845.55

Finding the Fourth Proportional to 5,083.67, 7,015.38 and 2,845.55

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Solution

The fourth proportional to 5,083.67, 7,015.38 and 2,845.55 is: 3,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.67 : 7,015.38 = 2,845.55 : x
  2. Step 2: Convert to fraction form
    5,083.67/7,015.38 = 2,845.55/x
  3. Step 3: Cross multiply
    5,083.67x = 7,015.38 × 2,845.55
  4. Step 4: Simplify right side
    5,083.67x = 19,962,614.56
  5. Step 5: Solve for x
    x = 19,962,614.56/5,083.67
  6. Step 6: Final answer
    x = 3,926.81

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1.5x scale

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.