Home / 2,481.96-3,424.91-1,434.09

Finding the Fourth Proportional to 2,481.96, 3,424.91 and 1,434.09

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Solution

The fourth proportional to 2,481.96, 3,424.91 and 1,434.09 is: 1,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.96 : 3,424.91 = 1,434.09 : x
  2. Step 2: Convert to fraction form
    2,481.96/3,424.91 = 1,434.09/x
  3. Step 3: Cross multiply
    2,481.96x = 3,424.91 × 1,434.09
  4. Step 4: Simplify right side
    2,481.96x = 4,911,622.01
  5. Step 5: Solve for x
    x = 4,911,622.01/2,481.96
  6. Step 6: Final answer
    x = 1,978.93

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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.