Home / 5,512.72-8,272.44-2,392.16

Finding the Fourth Proportional to 5,512.72, 8,272.44 and 2,392.16

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Solution

The fourth proportional to 5,512.72, 8,272.44 and 2,392.16 is: 3,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.72 : 8,272.44 = 2,392.16 : x
  2. Step 2: Convert to fraction form
    5,512.72/8,272.44 = 2,392.16/x
  3. Step 3: Cross multiply
    5,512.72x = 8,272.44 × 2,392.16
  4. Step 4: Simplify right side
    5,512.72x = 19,789,000.07
  5. Step 5: Solve for x
    x = 19,789,000.07/5,512.72
  6. Step 6: Final answer
    x = 3,589.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.