Home / 6,327.90-8,732.13-3,810.83

Finding the Fourth Proportional to 6,327.90, 8,732.13 and 3,810.83

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Solution

The fourth proportional to 6,327.90, 8,732.13 and 3,810.83 is: 5,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.90 : 8,732.13 = 3,810.83 : x
  2. Step 2: Convert to fraction form
    6,327.90/8,732.13 = 3,810.83/x
  3. Step 3: Cross multiply
    6,327.90x = 8,732.13 × 3,810.83
  4. Step 4: Simplify right side
    6,327.90x = 33,276,662.97
  5. Step 5: Solve for x
    x = 33,276,662.97/6,327.90
  6. Step 6: Final answer
    x = 5,258.72

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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.