Home / 5,079.66-7,608.68-2,887.26

Finding the Fourth Proportional to 5,079.66, 7,608.68 and 2,887.26

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Solution

The fourth proportional to 5,079.66, 7,608.68 and 2,887.26 is: 4,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.66 : 7,608.68 = 2,887.26 : x
  2. Step 2: Convert to fraction form
    5,079.66/7,608.68 = 2,887.26/x
  3. Step 3: Cross multiply
    5,079.66x = 7,608.68 × 2,887.26
  4. Step 4: Simplify right side
    5,079.66x = 21,968,237.42
  5. Step 5: Solve for x
    x = 21,968,237.42/5,079.66
  6. Step 6: Final answer
    x = 4,324.75

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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.