Home / 6,220.15-8,584.01-3,387.64

Finding the Fourth Proportional to 6,220.15, 8,584.01 and 3,387.64

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Solution

The fourth proportional to 6,220.15, 8,584.01 and 3,387.64 is: 4,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.15 : 8,584.01 = 3,387.64 : x
  2. Step 2: Convert to fraction form
    6,220.15/8,584.01 = 3,387.64/x
  3. Step 3: Cross multiply
    6,220.15x = 8,584.01 × 3,387.64
  4. Step 4: Simplify right side
    6,220.15x = 29,079,535.64
  5. Step 5: Solve for x
    x = 29,079,535.64/6,220.15
  6. Step 6: Final answer
    x = 4,675.05

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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.