Home / 6,218.06-8,580.90-3,423.56

Finding the Fourth Proportional to 6,218.06, 8,580.90 and 3,423.56

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Solution

The fourth proportional to 6,218.06, 8,580.90 and 3,423.56 is: 4,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.06 : 8,580.90 = 3,423.56 : x
  2. Step 2: Convert to fraction form
    6,218.06/8,580.90 = 3,423.56/x
  3. Step 3: Cross multiply
    6,218.06x = 8,580.90 × 3,423.56
  4. Step 4: Simplify right side
    6,218.06x = 29,377,226.00
  5. Step 5: Solve for x
    x = 29,377,226.00/6,218.06
  6. Step 6: Final answer
    x = 4,724.50

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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.