Home / 3,298.68-4,948.62-1,107.42

Finding the Fourth Proportional to 3,298.68, 4,948.62 and 1,107.42

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Solution

The fourth proportional to 3,298.68, 4,948.62 and 1,107.42 is: 1,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.68 : 4,948.62 = 1,107.42 : x
  2. Step 2: Convert to fraction form
    3,298.68/4,948.62 = 1,107.42/x
  3. Step 3: Cross multiply
    3,298.68x = 4,948.62 × 1,107.42
  4. Step 4: Simplify right side
    3,298.68x = 5,480,200.76
  5. Step 5: Solve for x
    x = 5,480,200.76/3,298.68
  6. Step 6: Final answer
    x = 1,661.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.