Home / 5,182.52-7,151.88-2,824.80

Finding the Fourth Proportional to 5,182.52, 7,151.88 and 2,824.80

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Solution

The fourth proportional to 5,182.52, 7,151.88 and 2,824.80 is: 3,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.52 : 7,151.88 = 2,824.80 : x
  2. Step 2: Convert to fraction form
    5,182.52/7,151.88 = 2,824.80/x
  3. Step 3: Cross multiply
    5,182.52x = 7,151.88 × 2,824.80
  4. Step 4: Simplify right side
    5,182.52x = 20,202,630.62
  5. Step 5: Solve for x
    x = 20,202,630.62/5,182.52
  6. Step 6: Final answer
    x = 3,898.23

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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.