Home / 7,224.40-10,836.60-2,029.60

Finding the Fourth Proportional to 7,224.40, 10,836.60 and 2,029.60

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Solution

The fourth proportional to 7,224.40, 10,836.60 and 2,029.60 is: 3,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.40 : 10,836.60 = 2,029.60 : x
  2. Step 2: Convert to fraction form
    7,224.40/10,836.60 = 2,029.60/x
  3. Step 3: Cross multiply
    7,224.40x = 10,836.60 × 2,029.60
  4. Step 4: Simplify right side
    7,224.40x = 21,993,963.36
  5. Step 5: Solve for x
    x = 21,993,963.36/7,224.40
  6. Step 6: Final answer
    x = 3,044.40

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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.