Home / 2,792.14-3,862.69-2,293.79

Finding the Fourth Proportional to 2,792.14, 3,862.69 and 2,293.79

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Solution

The fourth proportional to 2,792.14, 3,862.69 and 2,293.79 is: 3,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.14 : 3,862.69 = 2,293.79 : x
  2. Step 2: Convert to fraction form
    2,792.14/3,862.69 = 2,293.79/x
  3. Step 3: Cross multiply
    2,792.14x = 3,862.69 × 2,293.79
  4. Step 4: Simplify right side
    2,792.14x = 8,860,174.65
  5. Step 5: Solve for x
    x = 8,860,174.65/2,792.14
  6. Step 6: Final answer
    x = 3,173.26

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1.5x scale

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.