Home / 5,426.64-8,138.43-2,094.12

Finding the Fourth Proportional to 5,426.64, 8,138.43 and 2,094.12

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Solution

The fourth proportional to 5,426.64, 8,138.43 and 2,094.12 is: 3,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.64 : 8,138.43 = 2,094.12 : x
  2. Step 2: Convert to fraction form
    5,426.64/8,138.43 = 2,094.12/x
  3. Step 3: Cross multiply
    5,426.64x = 8,138.43 × 2,094.12
  4. Step 4: Simplify right side
    5,426.64x = 17,042,849.03
  5. Step 5: Solve for x
    x = 17,042,849.03/5,426.64
  6. Step 6: Final answer
    x = 3,140.59

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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.