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Finding the Fourth Proportional to 5,514.68, 7,613.22 and 4,253

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Solution

The fourth proportional to 5,514.68, 7,613.22 and 4,253 is: 5,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.68 : 7,613.22 = 4,253 : x
  2. Step 2: Convert to fraction form
    5,514.68/7,613.22 = 4,253/x
  3. Step 3: Cross multiply
    5,514.68x = 7,613.22 × 4,253
  4. Step 4: Simplify right side
    5,514.68x = 32,379,024.66
  5. Step 5: Solve for x
    x = 32,379,024.66/5,514.68
  6. Step 6: Final answer
    x = 5,871.42

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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.