Home / 3,091.06-4,265.88-1,764.96

Finding the Fourth Proportional to 3,091.06, 4,265.88 and 1,764.96

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Solution

The fourth proportional to 3,091.06, 4,265.88 and 1,764.96 is: 2,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.06 : 4,265.88 = 1,764.96 : x
  2. Step 2: Convert to fraction form
    3,091.06/4,265.88 = 1,764.96/x
  3. Step 3: Cross multiply
    3,091.06x = 4,265.88 × 1,764.96
  4. Step 4: Simplify right side
    3,091.06x = 7,529,107.56
  5. Step 5: Solve for x
    x = 7,529,107.56/3,091.06
  6. Step 6: Final answer
    x = 2,435.77

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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.