Home / 6,319.26-8,720.62-3,524.76

Finding the Fourth Proportional to 6,319.26, 8,720.62 and 3,524.76

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Solution

The fourth proportional to 6,319.26, 8,720.62 and 3,524.76 is: 4,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.26 : 8,720.62 = 3,524.76 : x
  2. Step 2: Convert to fraction form
    6,319.26/8,720.62 = 3,524.76/x
  3. Step 3: Cross multiply
    6,319.26x = 8,720.62 × 3,524.76
  4. Step 4: Simplify right side
    6,319.26x = 30,738,092.55
  5. Step 5: Solve for x
    x = 30,738,092.55/6,319.26
  6. Step 6: Final answer
    x = 4,864.19

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Half scale
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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.