Home / 4,299.06-6,450.96-2,107.80

Finding the Fourth Proportional to 4,299.06, 6,450.96 and 2,107.80

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Solution

The fourth proportional to 4,299.06, 6,450.96 and 2,107.80 is: 3,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.06 : 6,450.96 = 2,107.80 : x
  2. Step 2: Convert to fraction form
    4,299.06/6,450.96 = 2,107.80/x
  3. Step 3: Cross multiply
    4,299.06x = 6,450.96 × 2,107.80
  4. Step 4: Simplify right side
    4,299.06x = 13,597,333.49
  5. Step 5: Solve for x
    x = 13,597,333.49/4,299.06
  6. Step 6: Final answer
    x = 3,162.86

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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.