Home / 5,182.14-7,151.35-2,824.28

Finding the Fourth Proportional to 5,182.14, 7,151.35 and 2,824.28

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Solution

The fourth proportional to 5,182.14, 7,151.35 and 2,824.28 is: 3,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.14 : 7,151.35 = 2,824.28 : x
  2. Step 2: Convert to fraction form
    5,182.14/7,151.35 = 2,824.28/x
  3. Step 3: Cross multiply
    5,182.14x = 7,151.35 × 2,824.28
  4. Step 4: Simplify right side
    5,182.14x = 20,197,414.78
  5. Step 5: Solve for x
    x = 20,197,414.78/5,182.14
  6. Step 6: Final answer
    x = 3,897.50

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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.