Home / 7,136.08-10,703.91-3,190.97

Finding the Fourth Proportional to 7,136.08, 10,703.91 and 3,190.97

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Solution

The fourth proportional to 7,136.08, 10,703.91 and 3,190.97 is: 4,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.08 : 10,703.91 = 3,190.97 : x
  2. Step 2: Convert to fraction form
    7,136.08/10,703.91 = 3,190.97/x
  3. Step 3: Cross multiply
    7,136.08x = 10,703.91 × 3,190.97
  4. Step 4: Simplify right side
    7,136.08x = 34,155,894.42
  5. Step 5: Solve for x
    x = 34,155,894.42/7,136.08
  6. Step 6: Final answer
    x = 4,786.37

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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.