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Finding the Fourth Proportional to 6,170.90, 8,514.06 and 3,651.80

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Solution

The fourth proportional to 6,170.90, 8,514.06 and 3,651.80 is: 5,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.90 : 8,514.06 = 3,651.80 : x
  2. Step 2: Convert to fraction form
    6,170.90/8,514.06 = 3,651.80/x
  3. Step 3: Cross multiply
    6,170.90x = 8,514.06 × 3,651.80
  4. Step 4: Simplify right side
    6,170.90x = 31,091,644.31
  5. Step 5: Solve for x
    x = 31,091,644.31/6,170.90
  6. Step 6: Final answer
    x = 5,038.43

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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.