Home / 5,270.85-7,273.69-2,913.03

Finding the Fourth Proportional to 5,270.85, 7,273.69 and 2,913.03

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Solution

The fourth proportional to 5,270.85, 7,273.69 and 2,913.03 is: 4,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.85 : 7,273.69 = 2,913.03 : x
  2. Step 2: Convert to fraction form
    5,270.85/7,273.69 = 2,913.03/x
  3. Step 3: Cross multiply
    5,270.85x = 7,273.69 × 2,913.03
  4. Step 4: Simplify right side
    5,270.85x = 21,188,477.18
  5. Step 5: Solve for x
    x = 21,188,477.18/5,270.85
  6. Step 6: Final answer
    x = 4,019.94

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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.