Home / 2,844.90-4,268.64-1,284.06

Finding the Fourth Proportional to 2,844.90, 4,268.64 and 1,284.06

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Solution

The fourth proportional to 2,844.90, 4,268.64 and 1,284.06 is: 1,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.90 : 4,268.64 = 1,284.06 : x
  2. Step 2: Convert to fraction form
    2,844.90/4,268.64 = 1,284.06/x
  3. Step 3: Cross multiply
    2,844.90x = 4,268.64 × 1,284.06
  4. Step 4: Simplify right side
    2,844.90x = 5,481,189.88
  5. Step 5: Solve for x
    x = 5,481,189.88/2,844.90
  6. Step 6: Final answer
    x = 1,926.67

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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.