Home / 4,786.11-7,136.97-4,453.28

Finding the Fourth Proportional to 4,786.11, 7,136.97 and 4,453.28

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Solution

The fourth proportional to 4,786.11, 7,136.97 and 4,453.28 is: 6,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.11 : 7,136.97 = 4,453.28 : x
  2. Step 2: Convert to fraction form
    4,786.11/7,136.97 = 4,453.28/x
  3. Step 3: Cross multiply
    4,786.11x = 7,136.97 × 4,453.28
  4. Step 4: Simplify right side
    4,786.11x = 31,782,903.27
  5. Step 5: Solve for x
    x = 31,782,903.27/4,786.11
  6. Step 6: Final answer
    x = 6,640.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.