Home / 7,181.06-10,772.88-2,961.97

Finding the Fourth Proportional to 7,181.06, 10,772.88 and 2,961.97

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Solution

The fourth proportional to 7,181.06, 10,772.88 and 2,961.97 is: 4,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.06 : 10,772.88 = 2,961.97 : x
  2. Step 2: Convert to fraction form
    7,181.06/10,772.88 = 2,961.97/x
  3. Step 3: Cross multiply
    7,181.06x = 10,772.88 × 2,961.97
  4. Step 4: Simplify right side
    7,181.06x = 31,908,947.37
  5. Step 5: Solve for x
    x = 31,908,947.37/7,181.06
  6. Step 6: Final answer
    x = 4,443.49

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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.