Home / 4,990.08-6,886.43-2,751.99

Finding the Fourth Proportional to 4,990.08, 6,886.43 and 2,751.99

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Solution

The fourth proportional to 4,990.08, 6,886.43 and 2,751.99 is: 3,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.08 : 6,886.43 = 2,751.99 : x
  2. Step 2: Convert to fraction form
    4,990.08/6,886.43 = 2,751.99/x
  3. Step 3: Cross multiply
    4,990.08x = 6,886.43 × 2,751.99
  4. Step 4: Simplify right side
    4,990.08x = 18,951,338.30
  5. Step 5: Solve for x
    x = 18,951,338.30/4,990.08
  6. Step 6: Final answer
    x = 3,797.81

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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.