Home / 5,712.18-7,882.75-3,194.26

Finding the Fourth Proportional to 5,712.18, 7,882.75 and 3,194.26

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Solution

The fourth proportional to 5,712.18, 7,882.75 and 3,194.26 is: 4,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.18 : 7,882.75 = 3,194.26 : x
  2. Step 2: Convert to fraction form
    5,712.18/7,882.75 = 3,194.26/x
  3. Step 3: Cross multiply
    5,712.18x = 7,882.75 × 3,194.26
  4. Step 4: Simplify right side
    5,712.18x = 25,179,553.02
  5. Step 5: Solve for x
    x = 25,179,553.02/5,712.18
  6. Step 6: Final answer
    x = 4,408.05

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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.