Home / 5,249.91-7,243.42-3,654.77

Finding the Fourth Proportional to 5,249.91, 7,243.42 and 3,654.77

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Solution

The fourth proportional to 5,249.91, 7,243.42 and 3,654.77 is: 5,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.91 : 7,243.42 = 3,654.77 : x
  2. Step 2: Convert to fraction form
    5,249.91/7,243.42 = 3,654.77/x
  3. Step 3: Cross multiply
    5,249.91x = 7,243.42 × 3,654.77
  4. Step 4: Simplify right side
    5,249.91x = 26,473,034.11
  5. Step 5: Solve for x
    x = 26,473,034.11/5,249.91
  6. Step 6: Final answer
    x = 5,042.57

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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.