Home / 5,514.78-7,610.44-2,996.90

Finding the Fourth Proportional to 5,514.78, 7,610.44 and 2,996.90

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Solution

The fourth proportional to 5,514.78, 7,610.44 and 2,996.90 is: 4,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.78 : 7,610.44 = 2,996.90 : x
  2. Step 2: Convert to fraction form
    5,514.78/7,610.44 = 2,996.90/x
  3. Step 3: Cross multiply
    5,514.78x = 7,610.44 × 2,996.90
  4. Step 4: Simplify right side
    5,514.78x = 22,807,727.64
  5. Step 5: Solve for x
    x = 22,807,727.64/5,514.78
  6. Step 6: Final answer
    x = 4,135.75

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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.