Home / 2,522.57-3,481.20-1,403.61

Finding the Fourth Proportional to 2,522.57, 3,481.20 and 1,403.61

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Solution

The fourth proportional to 2,522.57, 3,481.20 and 1,403.61 is: 1,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.57 : 3,481.20 = 1,403.61 : x
  2. Step 2: Convert to fraction form
    2,522.57/3,481.20 = 1,403.61/x
  3. Step 3: Cross multiply
    2,522.57x = 3,481.20 × 1,403.61
  4. Step 4: Simplify right side
    2,522.57x = 4,886,247.13
  5. Step 5: Solve for x
    x = 4,886,247.13/2,522.57
  6. Step 6: Final answer
    x = 1,937.02

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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.