Home / 5,147.82-7,104.35-3,132.03

Finding the Fourth Proportional to 5,147.82, 7,104.35 and 3,132.03

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Solution

The fourth proportional to 5,147.82, 7,104.35 and 3,132.03 is: 4,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.82 : 7,104.35 = 3,132.03 : x
  2. Step 2: Convert to fraction form
    5,147.82/7,104.35 = 3,132.03/x
  3. Step 3: Cross multiply
    5,147.82x = 7,104.35 × 3,132.03
  4. Step 4: Simplify right side
    5,147.82x = 22,251,021.67
  5. Step 5: Solve for x
    x = 22,251,021.67/5,147.82
  6. Step 6: Final answer
    x = 4,322.42

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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.