Home / 7,179.74-9,906.92-4,035.32

Finding the Fourth Proportional to 7,179.74, 9,906.92 and 4,035.32

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Solution

The fourth proportional to 7,179.74, 9,906.92 and 4,035.32 is: 5,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.74 : 9,906.92 = 4,035.32 : x
  2. Step 2: Convert to fraction form
    7,179.74/9,906.92 = 4,035.32/x
  3. Step 3: Cross multiply
    7,179.74x = 9,906.92 × 4,035.32
  4. Step 4: Simplify right side
    7,179.74x = 39,977,592.41
  5. Step 5: Solve for x
    x = 39,977,592.41/7,179.74
  6. Step 6: Final answer
    x = 5,568.11

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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.