Home / 5,397.88-7,452.31-3,538.12

Finding the Fourth Proportional to 5,397.88, 7,452.31 and 3,538.12

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Solution

The fourth proportional to 5,397.88, 7,452.31 and 3,538.12 is: 4,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.88 : 7,452.31 = 3,538.12 : x
  2. Step 2: Convert to fraction form
    5,397.88/7,452.31 = 3,538.12/x
  3. Step 3: Cross multiply
    5,397.88x = 7,452.31 × 3,538.12
  4. Step 4: Simplify right side
    5,397.88x = 26,367,129.80
  5. Step 5: Solve for x
    x = 26,367,129.80/5,397.88
  6. Step 6: Final answer
    x = 4,884.72

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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.