Home / 7,750.22-11,620.59-3,305.39

Finding the Fourth Proportional to 7,750.22, 11,620.59 and 3,305.39

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Solution

The fourth proportional to 7,750.22, 11,620.59 and 3,305.39 is: 4,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.22 : 11,620.59 = 3,305.39 : x
  2. Step 2: Convert to fraction form
    7,750.22/11,620.59 = 3,305.39/x
  3. Step 3: Cross multiply
    7,750.22x = 11,620.59 × 3,305.39
  4. Step 4: Simplify right side
    7,750.22x = 38,410,523.88
  5. Step 5: Solve for x
    x = 38,410,523.88/7,750.22
  6. Step 6: Final answer
    x = 4,956.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.