Home / 5,972.07-8,959.73-2,076.78

Finding the Fourth Proportional to 5,972.07, 8,959.73 and 2,076.78

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Solution

The fourth proportional to 5,972.07, 8,959.73 and 2,076.78 is: 3,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.07 : 8,959.73 = 2,076.78 : x
  2. Step 2: Convert to fraction form
    5,972.07/8,959.73 = 2,076.78/x
  3. Step 3: Cross multiply
    5,972.07x = 8,959.73 × 2,076.78
  4. Step 4: Simplify right side
    5,972.07x = 18,607,377.69
  5. Step 5: Solve for x
    x = 18,607,377.69/5,972.07
  6. Step 6: Final answer
    x = 3,115.73

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1.5x scale

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.