Home / 5,772.67-7,966.28-3,120.07

Finding the Fourth Proportional to 5,772.67, 7,966.28 and 3,120.07

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Solution

The fourth proportional to 5,772.67, 7,966.28 and 3,120.07 is: 4,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.67 : 7,966.28 = 3,120.07 : x
  2. Step 2: Convert to fraction form
    5,772.67/7,966.28 = 3,120.07/x
  3. Step 3: Cross multiply
    5,772.67x = 7,966.28 × 3,120.07
  4. Step 4: Simplify right side
    5,772.67x = 24,855,351.24
  5. Step 5: Solve for x
    x = 24,855,351.24/5,772.67
  6. Step 6: Final answer
    x = 4,305.69

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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.