Home / 5,520.22-7,617.80-3,002.25

Finding the Fourth Proportional to 5,520.22, 7,617.80 and 3,002.25

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Solution

The fourth proportional to 5,520.22, 7,617.80 and 3,002.25 is: 4,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.22 : 7,617.80 = 3,002.25 : x
  2. Step 2: Convert to fraction form
    5,520.22/7,617.80 = 3,002.25/x
  3. Step 3: Cross multiply
    5,520.22x = 7,617.80 × 3,002.25
  4. Step 4: Simplify right side
    5,520.22x = 22,870,516.38
  5. Step 5: Solve for x
    x = 22,870,516.38/5,520.22
  6. Step 6: Final answer
    x = 4,143.05

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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.