Home / 5,170.91-7,136.24-2,932.81

Finding the Fourth Proportional to 5,170.91, 7,136.24 and 2,932.81

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Solution

The fourth proportional to 5,170.91, 7,136.24 and 2,932.81 is: 4,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.91 : 7,136.24 = 2,932.81 : x
  2. Step 2: Convert to fraction form
    5,170.91/7,136.24 = 2,932.81/x
  3. Step 3: Cross multiply
    5,170.91x = 7,136.24 × 2,932.81
  4. Step 4: Simplify right side
    5,170.91x = 20,929,203.53
  5. Step 5: Solve for x
    x = 20,929,203.53/5,170.91
  6. Step 6: Final answer
    x = 4,047.49

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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.