Home / 5,174.35-7,140.52-3,049.55

Finding the Fourth Proportional to 5,174.35, 7,140.52 and 3,049.55

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Solution

The fourth proportional to 5,174.35, 7,140.52 and 3,049.55 is: 4,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.35 : 7,140.52 = 3,049.55 : x
  2. Step 2: Convert to fraction form
    5,174.35/7,140.52 = 3,049.55/x
  3. Step 3: Cross multiply
    5,174.35x = 7,140.52 × 3,049.55
  4. Step 4: Simplify right side
    5,174.35x = 21,775,337.06
  5. Step 5: Solve for x
    x = 21,775,337.06/5,174.35
  6. Step 6: Final answer
    x = 4,208.32

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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.