Home / 5,213.12-7,193.83-2,974.91

Finding the Fourth Proportional to 5,213.12, 7,193.83 and 2,974.91

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Solution

The fourth proportional to 5,213.12, 7,193.83 and 2,974.91 is: 4,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.12 : 7,193.83 = 2,974.91 : x
  2. Step 2: Convert to fraction form
    5,213.12/7,193.83 = 2,974.91/x
  3. Step 3: Cross multiply
    5,213.12x = 7,193.83 × 2,974.91
  4. Step 4: Simplify right side
    5,213.12x = 21,400,981.93
  5. Step 5: Solve for x
    x = 21,400,981.93/5,213.12
  6. Step 6: Final answer
    x = 4,105.22

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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.