Home / 5,114.88-7,674.66-1,997.19

Finding the Fourth Proportional to 5,114.88, 7,674.66 and 1,997.19

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Solution

The fourth proportional to 5,114.88, 7,674.66 and 1,997.19 is: 2,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.88 : 7,674.66 = 1,997.19 : x
  2. Step 2: Convert to fraction form
    5,114.88/7,674.66 = 1,997.19/x
  3. Step 3: Cross multiply
    5,114.88x = 7,674.66 × 1,997.19
  4. Step 4: Simplify right side
    5,114.88x = 15,327,754.21
  5. Step 5: Solve for x
    x = 15,327,754.21/5,114.88
  6. Step 6: Final answer
    x = 2,996.70

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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.