Home / 5,695.31-8,546.77-2,188.22

Finding the Fourth Proportional to 5,695.31, 8,546.77 and 2,188.22

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Solution

The fourth proportional to 5,695.31, 8,546.77 and 2,188.22 is: 3,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.31 : 8,546.77 = 2,188.22 : x
  2. Step 2: Convert to fraction form
    5,695.31/8,546.77 = 2,188.22/x
  3. Step 3: Cross multiply
    5,695.31x = 8,546.77 × 2,188.22
  4. Step 4: Simplify right side
    5,695.31x = 18,702,160.74
  5. Step 5: Solve for x
    x = 18,702,160.74/5,695.31
  6. Step 6: Final answer
    x = 3,283.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.