Home / 6,115.52-8,439.46-3,321.02

Finding the Fourth Proportional to 6,115.52, 8,439.46 and 3,321.02

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Solution

The fourth proportional to 6,115.52, 8,439.46 and 3,321.02 is: 4,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.52 : 8,439.46 = 3,321.02 : x
  2. Step 2: Convert to fraction form
    6,115.52/8,439.46 = 3,321.02/x
  3. Step 3: Cross multiply
    6,115.52x = 8,439.46 × 3,321.02
  4. Step 4: Simplify right side
    6,115.52x = 28,027,615.45
  5. Step 5: Solve for x
    x = 28,027,615.45/6,115.52
  6. Step 6: Final answer
    x = 4,583.03

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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.