Home / 5,196.20-7,170.30-2,927.75

Finding the Fourth Proportional to 5,196.20, 7,170.30 and 2,927.75

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Solution

The fourth proportional to 5,196.20, 7,170.30 and 2,927.75 is: 4,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.20 : 7,170.30 = 2,927.75 : x
  2. Step 2: Convert to fraction form
    5,196.20/7,170.30 = 2,927.75/x
  3. Step 3: Cross multiply
    5,196.20x = 7,170.30 × 2,927.75
  4. Step 4: Simplify right side
    5,196.20x = 20,992,809.97
  5. Step 5: Solve for x
    x = 20,992,809.97/5,196.20
  6. Step 6: Final answer
    x = 4,040.04

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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.