Home / 5,485.06-8,229-3,146.17

Finding the Fourth Proportional to 5,485.06, 8,229 and 3,146.17

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Solution

The fourth proportional to 5,485.06, 8,229 and 3,146.17 is: 4,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.06 : 8,229 = 3,146.17 : x
  2. Step 2: Convert to fraction form
    5,485.06/8,229 = 3,146.17/x
  3. Step 3: Cross multiply
    5,485.06x = 8,229 × 3,146.17
  4. Step 4: Simplify right side
    5,485.06x = 25,889,832.93
  5. Step 5: Solve for x
    x = 25,889,832.93/5,485.06
  6. Step 6: Final answer
    x = 4,720.06

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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.