Home / 5,485.98-8,231.70-2,201.46

Finding the Fourth Proportional to 5,485.98, 8,231.70 and 2,201.46

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Solution

The fourth proportional to 5,485.98, 8,231.70 and 2,201.46 is: 3,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.98 : 8,231.70 = 2,201.46 : x
  2. Step 2: Convert to fraction form
    5,485.98/8,231.70 = 2,201.46/x
  3. Step 3: Cross multiply
    5,485.98x = 8,231.70 × 2,201.46
  4. Step 4: Simplify right side
    5,485.98x = 18,121,758.28
  5. Step 5: Solve for x
    x = 18,121,758.28/5,485.98
  6. Step 6: Final answer
    x = 3,303.29

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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.