Home / 5,208.29-7,187.48-2,850.48

Finding the Fourth Proportional to 5,208.29, 7,187.48 and 2,850.48

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Solution

The fourth proportional to 5,208.29, 7,187.48 and 2,850.48 is: 3,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.29 : 7,187.48 = 2,850.48 : x
  2. Step 2: Convert to fraction form
    5,208.29/7,187.48 = 2,850.48/x
  3. Step 3: Cross multiply
    5,208.29x = 7,187.48 × 2,850.48
  4. Step 4: Simplify right side
    5,208.29x = 20,487,753.74
  5. Step 5: Solve for x
    x = 20,487,753.74/5,208.29
  6. Step 6: Final answer
    x = 3,933.69

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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.