Home / 5,174.53-7,140.25-3,049.90

Finding the Fourth Proportional to 5,174.53, 7,140.25 and 3,049.90

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Solution

The fourth proportional to 5,174.53, 7,140.25 and 3,049.90 is: 4,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.53 : 7,140.25 = 3,049.90 : x
  2. Step 2: Convert to fraction form
    5,174.53/7,140.25 = 3,049.90/x
  3. Step 3: Cross multiply
    5,174.53x = 7,140.25 × 3,049.90
  4. Step 4: Simplify right side
    5,174.53x = 21,777,074.60
  5. Step 5: Solve for x
    x = 21,777,074.60/5,174.53
  6. Step 6: Final answer
    x = 4,208.51

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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.