Home / 5,170.94-7,136.04-3,182.66

Finding the Fourth Proportional to 5,170.94, 7,136.04 and 3,182.66

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Solution

The fourth proportional to 5,170.94, 7,136.04 and 3,182.66 is: 4,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.94 : 7,136.04 = 3,182.66 : x
  2. Step 2: Convert to fraction form
    5,170.94/7,136.04 = 3,182.66/x
  3. Step 3: Cross multiply
    5,170.94x = 7,136.04 × 3,182.66
  4. Step 4: Simplify right side
    5,170.94x = 22,711,589.07
  5. Step 5: Solve for x
    x = 22,711,589.07/5,170.94
  6. Step 6: Final answer
    x = 4,392.16

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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.