Home / 5,777.25-8,669.98-2,660.78

Finding the Fourth Proportional to 5,777.25, 8,669.98 and 2,660.78

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Solution

The fourth proportional to 5,777.25, 8,669.98 and 2,660.78 is: 3,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.25 : 8,669.98 = 2,660.78 : x
  2. Step 2: Convert to fraction form
    5,777.25/8,669.98 = 2,660.78/x
  3. Step 3: Cross multiply
    5,777.25x = 8,669.98 × 2,660.78
  4. Step 4: Simplify right side
    5,777.25x = 23,068,866.03
  5. Step 5: Solve for x
    x = 23,068,866.03/5,777.25
  6. Step 6: Final answer
    x = 3,993.05

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1.5x scale

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.