Home / 3,274.43-4,518.72-1,782.33

Finding the Fourth Proportional to 3,274.43, 4,518.72 and 1,782.33

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Solution

The fourth proportional to 3,274.43, 4,518.72 and 1,782.33 is: 2,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.43 : 4,518.72 = 1,782.33 : x
  2. Step 2: Convert to fraction form
    3,274.43/4,518.72 = 1,782.33/x
  3. Step 3: Cross multiply
    3,274.43x = 4,518.72 × 1,782.33
  4. Step 4: Simplify right side
    3,274.43x = 8,053,850.22
  5. Step 5: Solve for x
    x = 8,053,850.22/3,274.43
  6. Step 6: Final answer
    x = 2,459.62

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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.