Home / 5,730.03-7,912.85-3,745.33

Finding the Fourth Proportional to 5,730.03, 7,912.85 and 3,745.33

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Solution

The fourth proportional to 5,730.03, 7,912.85 and 3,745.33 is: 5,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.03 : 7,912.85 = 3,745.33 : x
  2. Step 2: Convert to fraction form
    5,730.03/7,912.85 = 3,745.33/x
  3. Step 3: Cross multiply
    5,730.03x = 7,912.85 × 3,745.33
  4. Step 4: Simplify right side
    5,730.03x = 29,636,234.49
  5. Step 5: Solve for x
    x = 29,636,234.49/5,730.03
  6. Step 6: Final answer
    x = 5,172.09

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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.