Home / 5,083.68-7,014.14-3,171.02

Finding the Fourth Proportional to 5,083.68, 7,014.14 and 3,171.02

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Solution

The fourth proportional to 5,083.68, 7,014.14 and 3,171.02 is: 4,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.68 : 7,014.14 = 3,171.02 : x
  2. Step 2: Convert to fraction form
    5,083.68/7,014.14 = 3,171.02/x
  3. Step 3: Cross multiply
    5,083.68x = 7,014.14 × 3,171.02
  4. Step 4: Simplify right side
    5,083.68x = 22,241,943.15
  5. Step 5: Solve for x
    x = 22,241,943.15/5,083.68
  6. Step 6: Final answer
    x = 4,375.17

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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.