Home / 4,976.92-6,868.31-2,738.96

Finding the Fourth Proportional to 4,976.92, 6,868.31 and 2,738.96

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Solution

The fourth proportional to 4,976.92, 6,868.31 and 2,738.96 is: 3,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.92 : 6,868.31 = 2,738.96 : x
  2. Step 2: Convert to fraction form
    4,976.92/6,868.31 = 2,738.96/x
  3. Step 3: Cross multiply
    4,976.92x = 6,868.31 × 2,738.96
  4. Step 4: Simplify right side
    4,976.92x = 18,812,026.36
  5. Step 5: Solve for x
    x = 18,812,026.36/4,976.92
  6. Step 6: Final answer
    x = 3,779.85

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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.