Home / 3,711.15-5,122.22-2,313.63

Finding the Fourth Proportional to 3,711.15, 5,122.22 and 2,313.63

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Solution

The fourth proportional to 3,711.15, 5,122.22 and 2,313.63 is: 3,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.15 : 5,122.22 = 2,313.63 : x
  2. Step 2: Convert to fraction form
    3,711.15/5,122.22 = 2,313.63/x
  3. Step 3: Cross multiply
    3,711.15x = 5,122.22 × 2,313.63
  4. Step 4: Simplify right side
    3,711.15x = 11,850,902.03
  5. Step 5: Solve for x
    x = 11,850,902.03/3,711.15
  6. Step 6: Final answer
    x = 3,193.33

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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.