Home / 6,247.92-8,622.48-3,522.72

Finding the Fourth Proportional to 6,247.92, 8,622.48 and 3,522.72

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Solution

The fourth proportional to 6,247.92, 8,622.48 and 3,522.72 is: 4,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.92 : 8,622.48 = 3,522.72 : x
  2. Step 2: Convert to fraction form
    6,247.92/8,622.48 = 3,522.72/x
  3. Step 3: Cross multiply
    6,247.92x = 8,622.48 × 3,522.72
  4. Step 4: Simplify right side
    6,247.92x = 30,374,582.75
  5. Step 5: Solve for x
    x = 30,374,582.75/6,247.92
  6. Step 6: Final answer
    x = 4,861.55

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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.