Home / 6,107.22-8,427.98-3,312.72

Finding the Fourth Proportional to 6,107.22, 8,427.98 and 3,312.72

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Solution

The fourth proportional to 6,107.22, 8,427.98 and 3,312.72 is: 4,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.22 : 8,427.98 = 3,312.72 : x
  2. Step 2: Convert to fraction form
    6,107.22/8,427.98 = 3,312.72/x
  3. Step 3: Cross multiply
    6,107.22x = 8,427.98 × 3,312.72
  4. Step 4: Simplify right side
    6,107.22x = 27,919,537.91
  5. Step 5: Solve for x
    x = 27,919,537.91/6,107.22
  6. Step 6: Final answer
    x = 4,571.56

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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.