Home / 5,205.69-7,183.76-2,848.05

Finding the Fourth Proportional to 5,205.69, 7,183.76 and 2,848.05

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Solution

The fourth proportional to 5,205.69, 7,183.76 and 2,848.05 is: 3,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.69 : 7,183.76 = 2,848.05 : x
  2. Step 2: Convert to fraction form
    5,205.69/7,183.76 = 2,848.05/x
  3. Step 3: Cross multiply
    5,205.69x = 7,183.76 × 2,848.05
  4. Step 4: Simplify right side
    5,205.69x = 20,459,693.43
  5. Step 5: Solve for x
    x = 20,459,693.43/5,205.69
  6. Step 6: Final answer
    x = 3,930.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.