Home / 2,481.84-3,424.92-1,434.48

Finding the Fourth Proportional to 2,481.84, 3,424.92 and 1,434.48

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Solution

The fourth proportional to 2,481.84, 3,424.92 and 1,434.48 is: 1,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.84 : 3,424.92 = 1,434.48 : x
  2. Step 2: Convert to fraction form
    2,481.84/3,424.92 = 1,434.48/x
  3. Step 3: Cross multiply
    2,481.84x = 3,424.92 × 1,434.48
  4. Step 4: Simplify right side
    2,481.84x = 4,912,979.24
  5. Step 5: Solve for x
    x = 4,912,979.24/2,481.84
  6. Step 6: Final answer
    x = 1,979.57

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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.