Home / 5,208.10-7,187.19-2,850.23

Finding the Fourth Proportional to 5,208.10, 7,187.19 and 2,850.23

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Solution

The fourth proportional to 5,208.10, 7,187.19 and 2,850.23 is: 3,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.10 : 7,187.19 = 2,850.23 : x
  2. Step 2: Convert to fraction form
    5,208.10/7,187.19 = 2,850.23/x
  3. Step 3: Cross multiply
    5,208.10x = 7,187.19 × 2,850.23
  4. Step 4: Simplify right side
    5,208.10x = 20,485,144.55
  5. Step 5: Solve for x
    x = 20,485,144.55/5,208.10
  6. Step 6: Final answer
    x = 3,933.32

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Half scale
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Double scale
Find fourth proportional to 5,209.10, 7,188.57 and 2,851.23
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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.