Home / 5,301.15-7,951.67-3,221.72

Finding the Fourth Proportional to 5,301.15, 7,951.67 and 3,221.72

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Solution

The fourth proportional to 5,301.15, 7,951.67 and 3,221.72 is: 4,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.15 : 7,951.67 = 3,221.72 : x
  2. Step 2: Convert to fraction form
    5,301.15/7,951.67 = 3,221.72/x
  3. Step 3: Cross multiply
    5,301.15x = 7,951.67 × 3,221.72
  4. Step 4: Simplify right side
    5,301.15x = 25,618,085.03
  5. Step 5: Solve for x
    x = 25,618,085.03/5,301.15
  6. Step 6: Final answer
    x = 4,832.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.