Home / 3,740.58-5,161.59-2,168.37

Finding the Fourth Proportional to 3,740.58, 5,161.59 and 2,168.37

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Solution

The fourth proportional to 3,740.58, 5,161.59 and 2,168.37 is: 2,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.58 : 5,161.59 = 2,168.37 : x
  2. Step 2: Convert to fraction form
    3,740.58/5,161.59 = 2,168.37/x
  3. Step 3: Cross multiply
    3,740.58x = 5,161.59 × 2,168.37
  4. Step 4: Simplify right side
    3,740.58x = 11,192,236.91
  5. Step 5: Solve for x
    x = 11,192,236.91/3,740.58
  6. Step 6: Final answer
    x = 2,992.11

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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.