Home / 5,249.72-7,244.98-3,012.28

Finding the Fourth Proportional to 5,249.72, 7,244.98 and 3,012.28

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Solution

The fourth proportional to 5,249.72, 7,244.98 and 3,012.28 is: 4,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.72 : 7,244.98 = 3,012.28 : x
  2. Step 2: Convert to fraction form
    5,249.72/7,244.98 = 3,012.28/x
  3. Step 3: Cross multiply
    5,249.72x = 7,244.98 × 3,012.28
  4. Step 4: Simplify right side
    5,249.72x = 21,823,908.35
  5. Step 5: Solve for x
    x = 21,823,908.35/5,249.72
  6. Step 6: Final answer
    x = 4,157.16

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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.