Home / 7,229.10-10,839.60-3,068.40

Finding the Fourth Proportional to 7,229.10, 10,839.60 and 3,068.40

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Solution

The fourth proportional to 7,229.10, 10,839.60 and 3,068.40 is: 4,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.10 : 10,839.60 = 3,068.40 : x
  2. Step 2: Convert to fraction form
    7,229.10/10,839.60 = 3,068.40/x
  3. Step 3: Cross multiply
    7,229.10x = 10,839.60 × 3,068.40
  4. Step 4: Simplify right side
    7,229.10x = 33,260,228.64
  5. Step 5: Solve for x
    x = 33,260,228.64/7,229.10
  6. Step 6: Final answer
    x = 4,600.88

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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.