Home / 5,371.68-7,410.12-3,378.48

Finding the Fourth Proportional to 5,371.68, 7,410.12 and 3,378.48

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Solution

The fourth proportional to 5,371.68, 7,410.12 and 3,378.48 is: 4,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.68 : 7,410.12 = 3,378.48 : x
  2. Step 2: Convert to fraction form
    5,371.68/7,410.12 = 3,378.48/x
  3. Step 3: Cross multiply
    5,371.68x = 7,410.12 × 3,378.48
  4. Step 4: Simplify right side
    5,371.68x = 25,034,942.22
  5. Step 5: Solve for x
    x = 25,034,942.22/5,371.68
  6. Step 6: Final answer
    x = 4,660.54

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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.