Home / 5,927.15-8,179.46-3,409.20

Finding the Fourth Proportional to 5,927.15, 8,179.46 and 3,409.20

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Solution

The fourth proportional to 5,927.15, 8,179.46 and 3,409.20 is: 4,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.15 : 8,179.46 = 3,409.20 : x
  2. Step 2: Convert to fraction form
    5,927.15/8,179.46 = 3,409.20/x
  3. Step 3: Cross multiply
    5,927.15x = 8,179.46 × 3,409.20
  4. Step 4: Simplify right side
    5,927.15x = 27,885,360.92
  5. Step 5: Solve for x
    x = 27,885,360.92/5,927.15
  6. Step 6: Final answer
    x = 4,704.68

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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.