Home / 5,126.42-7,076.84-3,001.66

Finding the Fourth Proportional to 5,126.42, 7,076.84 and 3,001.66

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Solution

The fourth proportional to 5,126.42, 7,076.84 and 3,001.66 is: 4,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.42 : 7,076.84 = 3,001.66 : x
  2. Step 2: Convert to fraction form
    5,126.42/7,076.84 = 3,001.66/x
  3. Step 3: Cross multiply
    5,126.42x = 7,076.84 × 3,001.66
  4. Step 4: Simplify right side
    5,126.42x = 21,242,234.85
  5. Step 5: Solve for x
    x = 21,242,234.85/5,126.42
  6. Step 6: Final answer
    x = 4,143.68

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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.