Home / 5,642.25-8,452.43-2,722.60

Finding the Fourth Proportional to 5,642.25, 8,452.43 and 2,722.60

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Solution

The fourth proportional to 5,642.25, 8,452.43 and 2,722.60 is: 4,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.25 : 8,452.43 = 2,722.60 : x
  2. Step 2: Convert to fraction form
    5,642.25/8,452.43 = 2,722.60/x
  3. Step 3: Cross multiply
    5,642.25x = 8,452.43 × 2,722.60
  4. Step 4: Simplify right side
    5,642.25x = 23,012,585.92
  5. Step 5: Solve for x
    x = 23,012,585.92/5,642.25
  6. Step 6: Final answer
    x = 4,078.62

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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.