Home / 5,117.14-7,676.70-1,997.02

Finding the Fourth Proportional to 5,117.14, 7,676.70 and 1,997.02

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Solution

The fourth proportional to 5,117.14, 7,676.70 and 1,997.02 is: 2,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.14 : 7,676.70 = 1,997.02 : x
  2. Step 2: Convert to fraction form
    5,117.14/7,676.70 = 1,997.02/x
  3. Step 3: Cross multiply
    5,117.14x = 7,676.70 × 1,997.02
  4. Step 4: Simplify right side
    5,117.14x = 15,330,523.43
  5. Step 5: Solve for x
    x = 15,330,523.43/5,117.14
  6. Step 6: Final answer
    x = 2,995.92

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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.