Home / 5,216.85-7,201.22-3,450.87

Finding the Fourth Proportional to 5,216.85, 7,201.22 and 3,450.87

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Solution

The fourth proportional to 5,216.85, 7,201.22 and 3,450.87 is: 4,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.85 : 7,201.22 = 3,450.87 : x
  2. Step 2: Convert to fraction form
    5,216.85/7,201.22 = 3,450.87/x
  3. Step 3: Cross multiply
    5,216.85x = 7,201.22 × 3,450.87
  4. Step 4: Simplify right side
    5,216.85x = 24,850,456.81
  5. Step 5: Solve for x
    x = 24,850,456.81/5,216.85
  6. Step 6: Final answer
    x = 4,763.50

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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.