Home / 6,090.36-9,138.60-2,196.60

Finding the Fourth Proportional to 6,090.36, 9,138.60 and 2,196.60

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Solution

The fourth proportional to 6,090.36, 9,138.60 and 2,196.60 is: 3,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.36 : 9,138.60 = 2,196.60 : x
  2. Step 2: Convert to fraction form
    6,090.36/9,138.60 = 2,196.60/x
  3. Step 3: Cross multiply
    6,090.36x = 9,138.60 × 2,196.60
  4. Step 4: Simplify right side
    6,090.36x = 20,073,848.76
  5. Step 5: Solve for x
    x = 20,073,848.76/6,090.36
  6. Step 6: Final answer
    x = 3,296.00

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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.