Home / 2,522.61-3,481.08-1,403.65

Finding the Fourth Proportional to 2,522.61, 3,481.08 and 1,403.65

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Solution

The fourth proportional to 2,522.61, 3,481.08 and 1,403.65 is: 1,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.61 : 3,481.08 = 1,403.65 : x
  2. Step 2: Convert to fraction form
    2,522.61/3,481.08 = 1,403.65/x
  3. Step 3: Cross multiply
    2,522.61x = 3,481.08 × 1,403.65
  4. Step 4: Simplify right side
    2,522.61x = 4,886,197.45
  5. Step 5: Solve for x
    x = 4,886,197.45/2,522.61
  6. Step 6: Final answer
    x = 1,936.96

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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.