Home / 6,220.64-8,584.08-3,426.14

Finding the Fourth Proportional to 6,220.64, 8,584.08 and 3,426.14

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Solution

The fourth proportional to 6,220.64, 8,584.08 and 3,426.14 is: 4,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.64 : 8,584.08 = 3,426.14 : x
  2. Step 2: Convert to fraction form
    6,220.64/8,584.08 = 3,426.14/x
  3. Step 3: Cross multiply
    6,220.64x = 8,584.08 × 3,426.14
  4. Step 4: Simplify right side
    6,220.64x = 29,410,259.85
  5. Step 5: Solve for x
    x = 29,410,259.85/6,220.64
  6. Step 6: Final answer
    x = 4,727.85

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Half scale
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Double scale
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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.