Home / 2,825.11-3,900.02-1,882.48

Finding the Fourth Proportional to 2,825.11, 3,900.02 and 1,882.48

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Solution

The fourth proportional to 2,825.11, 3,900.02 and 1,882.48 is: 2,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.11 : 3,900.02 = 1,882.48 : x
  2. Step 2: Convert to fraction form
    2,825.11/3,900.02 = 1,882.48/x
  3. Step 3: Cross multiply
    2,825.11x = 3,900.02 × 1,882.48
  4. Step 4: Simplify right side
    2,825.11x = 7,341,709.65
  5. Step 5: Solve for x
    x = 7,341,709.65/2,825.11
  6. Step 6: Final answer
    x = 2,598.73

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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.