Home / 4,142.56-5,716.84-2,254.26

Finding the Fourth Proportional to 4,142.56, 5,716.84 and 2,254.26

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Solution

The fourth proportional to 4,142.56, 5,716.84 and 2,254.26 is: 3,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.56 : 5,716.84 = 2,254.26 : x
  2. Step 2: Convert to fraction form
    4,142.56/5,716.84 = 2,254.26/x
  3. Step 3: Cross multiply
    4,142.56x = 5,716.84 × 2,254.26
  4. Step 4: Simplify right side
    4,142.56x = 12,887,243.74
  5. Step 5: Solve for x
    x = 12,887,243.74/4,142.56
  6. Step 6: Final answer
    x = 3,110.94

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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.