Home / 5,778.97-8,660.55-3,143.03

Finding the Fourth Proportional to 5,778.97, 8,660.55 and 3,143.03

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Solution

The fourth proportional to 5,778.97, 8,660.55 and 3,143.03 is: 4,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.97 : 8,660.55 = 3,143.03 : x
  2. Step 2: Convert to fraction form
    5,778.97/8,660.55 = 3,143.03/x
  3. Step 3: Cross multiply
    5,778.97x = 8,660.55 × 3,143.03
  4. Step 4: Simplify right side
    5,778.97x = 27,220,325.16
  5. Step 5: Solve for x
    x = 27,220,325.16/5,778.97
  6. Step 6: Final answer
    x = 4,710.24

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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.