Home / 6,221.08-8,585.46-3,426.64

Finding the Fourth Proportional to 6,221.08, 8,585.46 and 3,426.64

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Solution

The fourth proportional to 6,221.08, 8,585.46 and 3,426.64 is: 4,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.08 : 8,585.46 = 3,426.64 : x
  2. Step 2: Convert to fraction form
    6,221.08/8,585.46 = 3,426.64/x
  3. Step 3: Cross multiply
    6,221.08x = 8,585.46 × 3,426.64
  4. Step 4: Simplify right side
    6,221.08x = 29,419,280.65
  5. Step 5: Solve for x
    x = 29,419,280.65/6,221.08
  6. Step 6: Final answer
    x = 4,728.97

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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.