Home / 5,249.72-7,244.65-2,859.69

Finding the Fourth Proportional to 5,249.72, 7,244.65 and 2,859.69

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Solution

The fourth proportional to 5,249.72, 7,244.65 and 2,859.69 is: 3,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.72 : 7,244.65 = 2,859.69 : x
  2. Step 2: Convert to fraction form
    5,249.72/7,244.65 = 2,859.69/x
  3. Step 3: Cross multiply
    5,249.72x = 7,244.65 × 2,859.69
  4. Step 4: Simplify right side
    5,249.72x = 20,717,456.83
  5. Step 5: Solve for x
    x = 20,717,456.83/5,249.72
  6. Step 6: Final answer
    x = 3,946.39

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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.