Home / 5,273.05-7,276.58-2,882.98

Finding the Fourth Proportional to 5,273.05, 7,276.58 and 2,882.98

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Solution

The fourth proportional to 5,273.05, 7,276.58 and 2,882.98 is: 3,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.05 : 7,276.58 = 2,882.98 : x
  2. Step 2: Convert to fraction form
    5,273.05/7,276.58 = 2,882.98/x
  3. Step 3: Cross multiply
    5,273.05x = 7,276.58 × 2,882.98
  4. Step 4: Simplify right side
    5,273.05x = 20,978,202.00
  5. Step 5: Solve for x
    x = 20,978,202.00/5,273.05
  6. Step 6: Final answer
    x = 3,978.38

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1.5x scale

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.