Home / 6,972.20-10,455.84-2,040.56

Finding the Fourth Proportional to 6,972.20, 10,455.84 and 2,040.56

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Solution

The fourth proportional to 6,972.20, 10,455.84 and 2,040.56 is: 3,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.20 : 10,455.84 = 2,040.56 : x
  2. Step 2: Convert to fraction form
    6,972.20/10,455.84 = 2,040.56/x
  3. Step 3: Cross multiply
    6,972.20x = 10,455.84 × 2,040.56
  4. Step 4: Simplify right side
    6,972.20x = 21,335,768.87
  5. Step 5: Solve for x
    x = 21,335,768.87/6,972.20
  6. Step 6: Final answer
    x = 3,060.12

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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.