Home / 5,212.86-7,193.66-2,974.68

Finding the Fourth Proportional to 5,212.86, 7,193.66 and 2,974.68

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Solution

The fourth proportional to 5,212.86, 7,193.66 and 2,974.68 is: 4,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.86 : 7,193.66 = 2,974.68 : x
  2. Step 2: Convert to fraction form
    5,212.86/7,193.66 = 2,974.68/x
  3. Step 3: Cross multiply
    5,212.86x = 7,193.66 × 2,974.68
  4. Step 4: Simplify right side
    5,212.86x = 21,398,838.39
  5. Step 5: Solve for x
    x = 21,398,838.39/5,212.86
  6. Step 6: Final answer
    x = 4,105.01

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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.