Home / 6,173.88-8,519.98-3,379.64

Finding the Fourth Proportional to 6,173.88, 8,519.98 and 3,379.64

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Solution

The fourth proportional to 6,173.88, 8,519.98 and 3,379.64 is: 4,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.88 : 8,519.98 = 3,379.64 : x
  2. Step 2: Convert to fraction form
    6,173.88/8,519.98 = 3,379.64/x
  3. Step 3: Cross multiply
    6,173.88x = 8,519.98 × 3,379.64
  4. Step 4: Simplify right side
    6,173.88x = 28,794,465.21
  5. Step 5: Solve for x
    x = 28,794,465.21/6,173.88
  6. Step 6: Final answer
    x = 4,663.92

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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.