Home / 6,104.22-8,423.78-3,309.72

Finding the Fourth Proportional to 6,104.22, 8,423.78 and 3,309.72

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Solution

The fourth proportional to 6,104.22, 8,423.78 and 3,309.72 is: 4,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,104.22 : 8,423.78 = 3,309.72 : x
  2. Step 2: Convert to fraction form
    6,104.22/8,423.78 = 3,309.72/x
  3. Step 3: Cross multiply
    6,104.22x = 8,423.78 × 3,309.72
  4. Step 4: Simplify right side
    6,104.22x = 27,880,353.14
  5. Step 5: Solve for x
    x = 27,880,353.14/6,104.22
  6. Step 6: Final answer
    x = 4,567.39

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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.