Home / 5,196.44-7,171.18-2,838.60

Finding the Fourth Proportional to 5,196.44, 7,171.18 and 2,838.60

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Solution

The fourth proportional to 5,196.44, 7,171.18 and 2,838.60 is: 3,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.44 : 7,171.18 = 2,838.60 : x
  2. Step 2: Convert to fraction form
    5,196.44/7,171.18 = 2,838.60/x
  3. Step 3: Cross multiply
    5,196.44x = 7,171.18 × 2,838.60
  4. Step 4: Simplify right side
    5,196.44x = 20,356,104.45
  5. Step 5: Solve for x
    x = 20,356,104.45/5,196.44
  6. Step 6: Final answer
    x = 3,917.32

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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.