Home / 5,393.22-8,090.10-2,106.60

Finding the Fourth Proportional to 5,393.22, 8,090.10 and 2,106.60

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Solution

The fourth proportional to 5,393.22, 8,090.10 and 2,106.60 is: 3,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.22 : 8,090.10 = 2,106.60 : x
  2. Step 2: Convert to fraction form
    5,393.22/8,090.10 = 2,106.60/x
  3. Step 3: Cross multiply
    5,393.22x = 8,090.10 × 2,106.60
  4. Step 4: Simplify right side
    5,393.22x = 17,042,604.66
  5. Step 5: Solve for x
    x = 17,042,604.66/5,393.22
  6. Step 6: Final answer
    x = 3,160.01

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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.