Home / 4,816.92-6,647.16-2,721

Finding the Fourth Proportional to 4,816.92, 6,647.16 and 2,721

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Solution

The fourth proportional to 4,816.92, 6,647.16 and 2,721 is: 3,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.92 : 6,647.16 = 2,721 : x
  2. Step 2: Convert to fraction form
    4,816.92/6,647.16 = 2,721/x
  3. Step 3: Cross multiply
    4,816.92x = 6,647.16 × 2,721
  4. Step 4: Simplify right side
    4,816.92x = 18,086,922.36
  5. Step 5: Solve for x
    x = 18,086,922.36/4,816.92
  6. Step 6: Final answer
    x = 3,754.87

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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.