Home / 4,997.76-6,895.68-3,108.48

Finding the Fourth Proportional to 4,997.76, 6,895.68 and 3,108.48

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Solution

The fourth proportional to 4,997.76, 6,895.68 and 3,108.48 is: 4,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.76 : 6,895.68 = 3,108.48 : x
  2. Step 2: Convert to fraction form
    4,997.76/6,895.68 = 3,108.48/x
  3. Step 3: Cross multiply
    4,997.76x = 6,895.68 × 3,108.48
  4. Step 4: Simplify right side
    4,997.76x = 21,435,083.37
  5. Step 5: Solve for x
    x = 21,435,083.37/4,997.76
  6. Step 6: Final answer
    x = 4,288.94

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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.