Home / 3,676.16-5,073.20-1,997.64

Finding the Fourth Proportional to 3,676.16, 5,073.20 and 1,997.64

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Solution

The fourth proportional to 3,676.16, 5,073.20 and 1,997.64 is: 2,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.16 : 5,073.20 = 1,997.64 : x
  2. Step 2: Convert to fraction form
    3,676.16/5,073.20 = 1,997.64/x
  3. Step 3: Cross multiply
    3,676.16x = 5,073.20 × 1,997.64
  4. Step 4: Simplify right side
    3,676.16x = 10,134,427.25
  5. Step 5: Solve for x
    x = 10,134,427.25/3,676.16
  6. Step 6: Final answer
    x = 2,756.80

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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.