Home / 5,083.42-7,015.15-2,845.34

Finding the Fourth Proportional to 5,083.42, 7,015.15 and 2,845.34

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Solution

The fourth proportional to 5,083.42, 7,015.15 and 2,845.34 is: 3,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.42 : 7,015.15 = 2,845.34 : x
  2. Step 2: Convert to fraction form
    5,083.42/7,015.15 = 2,845.34/x
  3. Step 3: Cross multiply
    5,083.42x = 7,015.15 × 2,845.34
  4. Step 4: Simplify right side
    5,083.42x = 19,960,497.33
  5. Step 5: Solve for x
    x = 19,960,497.33/5,083.42
  6. Step 6: Final answer
    x = 3,926.59

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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.