Home / 4,997.28-7,486.08-4,074

Finding the Fourth Proportional to 4,997.28, 7,486.08 and 4,074

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Solution

The fourth proportional to 4,997.28, 7,486.08 and 4,074 is: 6,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.28 : 7,486.08 = 4,074 : x
  2. Step 2: Convert to fraction form
    4,997.28/7,486.08 = 4,074/x
  3. Step 3: Cross multiply
    4,997.28x = 7,486.08 × 4,074
  4. Step 4: Simplify right side
    4,997.28x = 30,498,289.92
  5. Step 5: Solve for x
    x = 30,498,289.92/4,997.28
  6. Step 6: Final answer
    x = 6,102.98

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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.