Home / 5,213.92-7,198.32-4,630.72

Finding the Fourth Proportional to 5,213.92, 7,198.32 and 4,630.72

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Solution

The fourth proportional to 5,213.92, 7,198.32 and 4,630.72 is: 6,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.92 : 7,198.32 = 4,630.72 : x
  2. Step 2: Convert to fraction form
    5,213.92/7,198.32 = 4,630.72/x
  3. Step 3: Cross multiply
    5,213.92x = 7,198.32 × 4,630.72
  4. Step 4: Simplify right side
    5,213.92x = 33,333,404.39
  5. Step 5: Solve for x
    x = 33,333,404.39/5,213.92
  6. Step 6: Final answer
    x = 6,393.16

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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.