Home / 2,481.39-3,424.63-1,433.25

Finding the Fourth Proportional to 2,481.39, 3,424.63 and 1,433.25

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Solution

The fourth proportional to 2,481.39, 3,424.63 and 1,433.25 is: 1,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.39 : 3,424.63 = 1,433.25 : x
  2. Step 2: Convert to fraction form
    2,481.39/3,424.63 = 1,433.25/x
  3. Step 3: Cross multiply
    2,481.39x = 3,424.63 × 1,433.25
  4. Step 4: Simplify right side
    2,481.39x = 4,908,350.95
  5. Step 5: Solve for x
    x = 4,908,350.95/2,481.39
  6. Step 6: Final answer
    x = 1,978.07

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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.