Home / 5,173.38-7,138.04-2,934.77

Finding the Fourth Proportional to 5,173.38, 7,138.04 and 2,934.77

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Solution

The fourth proportional to 5,173.38, 7,138.04 and 2,934.77 is: 4,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.38 : 7,138.04 = 2,934.77 : x
  2. Step 2: Convert to fraction form
    5,173.38/7,138.04 = 2,934.77/x
  3. Step 3: Cross multiply
    5,173.38x = 7,138.04 × 2,934.77
  4. Step 4: Simplify right side
    5,173.38x = 20,948,455.29
  5. Step 5: Solve for x
    x = 20,948,455.29/5,173.38
  6. Step 6: Final answer
    x = 4,049.28

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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.