Home / 6,747.36-10,122.56-2,130.08

Finding the Fourth Proportional to 6,747.36, 10,122.56 and 2,130.08

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Solution

The fourth proportional to 6,747.36, 10,122.56 and 2,130.08 is: 3,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.36 : 10,122.56 = 2,130.08 : x
  2. Step 2: Convert to fraction form
    6,747.36/10,122.56 = 2,130.08/x
  3. Step 3: Cross multiply
    6,747.36x = 10,122.56 × 2,130.08
  4. Step 4: Simplify right side
    6,747.36x = 21,561,862.60
  5. Step 5: Solve for x
    x = 21,561,862.60/6,747.36
  6. Step 6: Final answer
    x = 3,195.60

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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.