Home / 3,281.23-4,896.43-3,174.71

Finding the Fourth Proportional to 3,281.23, 4,896.43 and 3,174.71

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Solution

The fourth proportional to 3,281.23, 4,896.43 and 3,174.71 is: 4,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.23 : 4,896.43 = 3,174.71 : x
  2. Step 2: Convert to fraction form
    3,281.23/4,896.43 = 3,174.71/x
  3. Step 3: Cross multiply
    3,281.23x = 4,896.43 × 3,174.71
  4. Step 4: Simplify right side
    3,281.23x = 15,544,745.29
  5. Step 5: Solve for x
    x = 15,544,745.29/3,281.23
  6. Step 6: Final answer
    x = 4,737.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.