Home / 5,208.16-7,187.20-2,850.32

Finding the Fourth Proportional to 5,208.16, 7,187.20 and 2,850.32

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Solution

The fourth proportional to 5,208.16, 7,187.20 and 2,850.32 is: 3,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.16 : 7,187.20 = 2,850.32 : x
  2. Step 2: Convert to fraction form
    5,208.16/7,187.20 = 2,850.32/x
  3. Step 3: Cross multiply
    5,208.16x = 7,187.20 × 2,850.32
  4. Step 4: Simplify right side
    5,208.16x = 20,485,819.90
  5. Step 5: Solve for x
    x = 20,485,819.90/5,208.16
  6. Step 6: Final answer
    x = 3,933.41

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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.