Home / 6,245.03-8,616.07-4,121.62

Finding the Fourth Proportional to 6,245.03, 8,616.07 and 4,121.62

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Solution

The fourth proportional to 6,245.03, 8,616.07 and 4,121.62 is: 5,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.03 : 8,616.07 = 4,121.62 : x
  2. Step 2: Convert to fraction form
    6,245.03/8,616.07 = 4,121.62/x
  3. Step 3: Cross multiply
    6,245.03x = 8,616.07 × 4,121.62
  4. Step 4: Simplify right side
    6,245.03x = 35,512,166.43
  5. Step 5: Solve for x
    x = 35,512,166.43/6,245.03
  6. Step 6: Final answer
    x = 5,686.47

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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.