Home / 5,170.88-7,134.60-2,932.24

Finding the Fourth Proportional to 5,170.88, 7,134.60 and 2,932.24

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Solution

The fourth proportional to 5,170.88, 7,134.60 and 2,932.24 is: 4,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.88 : 7,134.60 = 2,932.24 : x
  2. Step 2: Convert to fraction form
    5,170.88/7,134.60 = 2,932.24/x
  3. Step 3: Cross multiply
    5,170.88x = 7,134.60 × 2,932.24
  4. Step 4: Simplify right side
    5,170.88x = 20,920,359.50
  5. Step 5: Solve for x
    x = 20,920,359.50/5,170.88
  6. Step 6: Final answer
    x = 4,045.80

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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.