Home / 4,900.46-6,764.22-3,136.82

Finding the Fourth Proportional to 4,900.46, 6,764.22 and 3,136.82

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Solution

The fourth proportional to 4,900.46, 6,764.22 and 3,136.82 is: 4,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.46 : 6,764.22 = 3,136.82 : x
  2. Step 2: Convert to fraction form
    4,900.46/6,764.22 = 3,136.82/x
  3. Step 3: Cross multiply
    4,900.46x = 6,764.22 × 3,136.82
  4. Step 4: Simplify right side
    4,900.46x = 21,218,140.58
  5. Step 5: Solve for x
    x = 21,218,140.58/4,900.46
  6. Step 6: Final answer
    x = 4,329.83

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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.