Home / 6,108.06-8,429.54-3,419.54

Finding the Fourth Proportional to 6,108.06, 8,429.54 and 3,419.54

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Solution

The fourth proportional to 6,108.06, 8,429.54 and 3,419.54 is: 4,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.06 : 8,429.54 = 3,419.54 : x
  2. Step 2: Convert to fraction form
    6,108.06/8,429.54 = 3,419.54/x
  3. Step 3: Cross multiply
    6,108.06x = 8,429.54 × 3,419.54
  4. Step 4: Simplify right side
    6,108.06x = 28,825,121.58
  5. Step 5: Solve for x
    x = 28,825,121.58/6,108.06
  6. Step 6: Final answer
    x = 4,719.19

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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.