Home / 5,196.76-7,171.74-3,205.88

Finding the Fourth Proportional to 5,196.76, 7,171.74 and 3,205.88

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Solution

The fourth proportional to 5,196.76, 7,171.74 and 3,205.88 is: 4,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.76 : 7,171.74 = 3,205.88 : x
  2. Step 2: Convert to fraction form
    5,196.76/7,171.74 = 3,205.88/x
  3. Step 3: Cross multiply
    5,196.76x = 7,171.74 × 3,205.88
  4. Step 4: Simplify right side
    5,196.76x = 22,991,728.87
  5. Step 5: Solve for x
    x = 22,991,728.87/5,196.76
  6. Step 6: Final answer
    x = 4,424.25

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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.