Home / 5,436.62-7,502.55-3,198.58

Finding the Fourth Proportional to 5,436.62, 7,502.55 and 3,198.58

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Solution

The fourth proportional to 5,436.62, 7,502.55 and 3,198.58 is: 4,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.62 : 7,502.55 = 3,198.58 : x
  2. Step 2: Convert to fraction form
    5,436.62/7,502.55 = 3,198.58/x
  3. Step 3: Cross multiply
    5,436.62x = 7,502.55 × 3,198.58
  4. Step 4: Simplify right side
    5,436.62x = 23,997,506.38
  5. Step 5: Solve for x
    x = 23,997,506.38/5,436.62
  6. Step 6: Final answer
    x = 4,414.05

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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.