Home / 5,170.88-7,136.18-2,932.94

Finding the Fourth Proportional to 5,170.88, 7,136.18 and 2,932.94

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Solution

The fourth proportional to 5,170.88, 7,136.18 and 2,932.94 is: 4,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.88 : 7,136.18 = 2,932.94 : x
  2. Step 2: Convert to fraction form
    5,170.88/7,136.18 = 2,932.94/x
  3. Step 3: Cross multiply
    5,170.88x = 7,136.18 × 2,932.94
  4. Step 4: Simplify right side
    5,170.88x = 20,929,937.42
  5. Step 5: Solve for x
    x = 20,929,937.42/5,170.88
  6. Step 6: Final answer
    x = 4,047.66

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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.