Home / 5,248.26-7,236.59-3,919.72

Finding the Fourth Proportional to 5,248.26, 7,236.59 and 3,919.72

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Solution

The fourth proportional to 5,248.26, 7,236.59 and 3,919.72 is: 5,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.26 : 7,236.59 = 3,919.72 : x
  2. Step 2: Convert to fraction form
    5,248.26/7,236.59 = 3,919.72/x
  3. Step 3: Cross multiply
    5,248.26x = 7,236.59 × 3,919.72
  4. Step 4: Simplify right side
    5,248.26x = 28,365,406.55
  5. Step 5: Solve for x
    x = 28,365,406.55/5,248.26
  6. Step 6: Final answer
    x = 5,404.73

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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.