Home / 5,182.12-7,151.32-2,824.25

Finding the Fourth Proportional to 5,182.12, 7,151.32 and 2,824.25

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Solution

The fourth proportional to 5,182.12, 7,151.32 and 2,824.25 is: 3,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.12 : 7,151.32 = 2,824.25 : x
  2. Step 2: Convert to fraction form
    5,182.12/7,151.32 = 2,824.25/x
  3. Step 3: Cross multiply
    5,182.12x = 7,151.32 × 2,824.25
  4. Step 4: Simplify right side
    5,182.12x = 20,197,101.39
  5. Step 5: Solve for x
    x = 20,197,101.39/5,182.12
  6. Step 6: Final answer
    x = 3,897.46

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Half scale
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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.