Home / 6,218.05-8,580.66-3,563.62

Finding the Fourth Proportional to 6,218.05, 8,580.66 and 3,563.62

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Solution

The fourth proportional to 6,218.05, 8,580.66 and 3,563.62 is: 4,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.05 : 8,580.66 = 3,563.62 : x
  2. Step 2: Convert to fraction form
    6,218.05/8,580.66 = 3,563.62/x
  3. Step 3: Cross multiply
    6,218.05x = 8,580.66 × 3,563.62
  4. Step 4: Simplify right side
    6,218.05x = 30,578,211.59
  5. Step 5: Solve for x
    x = 30,578,211.59/6,218.05
  6. Step 6: Final answer
    x = 4,917.65

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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.