Home / 6,820.20-9,406.26-4,023

Finding the Fourth Proportional to 6,820.20, 9,406.26 and 4,023

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Solution

The fourth proportional to 6,820.20, 9,406.26 and 4,023 is: 5,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.20 : 9,406.26 = 4,023 : x
  2. Step 2: Convert to fraction form
    6,820.20/9,406.26 = 4,023/x
  3. Step 3: Cross multiply
    6,820.20x = 9,406.26 × 4,023
  4. Step 4: Simplify right side
    6,820.20x = 37,841,383.98
  5. Step 5: Solve for x
    x = 37,841,383.98/6,820.20
  6. Step 6: Final answer
    x = 5,548.43

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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.