Home / 5,145.97-7,098.82-3,254.36

Finding the Fourth Proportional to 5,145.97, 7,098.82 and 3,254.36

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Solution

The fourth proportional to 5,145.97, 7,098.82 and 3,254.36 is: 4,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.97 : 7,098.82 = 3,254.36 : x
  2. Step 2: Convert to fraction form
    5,145.97/7,098.82 = 3,254.36/x
  3. Step 3: Cross multiply
    5,145.97x = 7,098.82 × 3,254.36
  4. Step 4: Simplify right side
    5,145.97x = 23,102,099.58
  5. Step 5: Solve for x
    x = 23,102,099.58/5,145.97
  6. Step 6: Final answer
    x = 4,489.36

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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.