Home / 6,217.92-8,580.74-3,423.42

Finding the Fourth Proportional to 6,217.92, 8,580.74 and 3,423.42

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Solution

The fourth proportional to 6,217.92, 8,580.74 and 3,423.42 is: 4,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.92 : 8,580.74 = 3,423.42 : x
  2. Step 2: Convert to fraction form
    6,217.92/8,580.74 = 3,423.42/x
  3. Step 3: Cross multiply
    6,217.92x = 8,580.74 × 3,423.42
  4. Step 4: Simplify right side
    6,217.92x = 29,375,459.81
  5. Step 5: Solve for x
    x = 29,375,459.81/6,217.92
  6. Step 6: Final answer
    x = 4,724.32

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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.