Home / 6,514.44-9,770.64-2,131.80

Finding the Fourth Proportional to 6,514.44, 9,770.64 and 2,131.80

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Solution

The fourth proportional to 6,514.44, 9,770.64 and 2,131.80 is: 3,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.44 : 9,770.64 = 2,131.80 : x
  2. Step 2: Convert to fraction form
    6,514.44/9,770.64 = 2,131.80/x
  3. Step 3: Cross multiply
    6,514.44x = 9,770.64 × 2,131.80
  4. Step 4: Simplify right side
    6,514.44x = 20,829,050.35
  5. Step 5: Solve for x
    x = 20,829,050.35/6,514.44
  6. Step 6: Final answer
    x = 3,197.37

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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.