Home / 2,522.61-3,481.14-1,403.55

Finding the Fourth Proportional to 2,522.61, 3,481.14 and 1,403.55

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Solution

The fourth proportional to 2,522.61, 3,481.14 and 1,403.55 is: 1,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.61 : 3,481.14 = 1,403.55 : x
  2. Step 2: Convert to fraction form
    2,522.61/3,481.14 = 1,403.55/x
  3. Step 3: Cross multiply
    2,522.61x = 3,481.14 × 1,403.55
  4. Step 4: Simplify right side
    2,522.61x = 4,885,954.05
  5. Step 5: Solve for x
    x = 4,885,954.05/2,522.61
  6. Step 6: Final answer
    x = 1,936.86

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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.