Home / 5,117.24-7,676.02-1,997.12

Finding the Fourth Proportional to 5,117.24, 7,676.02 and 1,997.12

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Solution

The fourth proportional to 5,117.24, 7,676.02 and 1,997.12 is: 2,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.24 : 7,676.02 = 1,997.12 : x
  2. Step 2: Convert to fraction form
    5,117.24/7,676.02 = 1,997.12/x
  3. Step 3: Cross multiply
    5,117.24x = 7,676.02 × 1,997.12
  4. Step 4: Simplify right side
    5,117.24x = 15,329,933.06
  5. Step 5: Solve for x
    x = 15,329,933.06/5,117.24
  6. Step 6: Final answer
    x = 2,995.74

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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.