Home / 5,170.48-7,135.42-2,932.45

Finding the Fourth Proportional to 5,170.48, 7,135.42 and 2,932.45

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Solution

The fourth proportional to 5,170.48, 7,135.42 and 2,932.45 is: 4,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.48 : 7,135.42 = 2,932.45 : x
  2. Step 2: Convert to fraction form
    5,170.48/7,135.42 = 2,932.45/x
  3. Step 3: Cross multiply
    5,170.48x = 7,135.42 × 2,932.45
  4. Step 4: Simplify right side
    5,170.48x = 20,924,212.04
  5. Step 5: Solve for x
    x = 20,924,212.04/5,170.48
  6. Step 6: Final answer
    x = 4,046.86

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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.