Home / 5,370.61-8,055.79-3,163.44

Finding the Fourth Proportional to 5,370.61, 8,055.79 and 3,163.44

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Solution

The fourth proportional to 5,370.61, 8,055.79 and 3,163.44 is: 4,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.61 : 8,055.79 = 3,163.44 : x
  2. Step 2: Convert to fraction form
    5,370.61/8,055.79 = 3,163.44/x
  3. Step 3: Cross multiply
    5,370.61x = 8,055.79 × 3,163.44
  4. Step 4: Simplify right side
    5,370.61x = 25,484,032.41
  5. Step 5: Solve for x
    x = 25,484,032.41/5,370.61
  6. Step 6: Final answer
    x = 4,745.09

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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.