Home / 3,274.37-4,518.62-1,782.30

Finding the Fourth Proportional to 3,274.37, 4,518.62 and 1,782.30

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Solution

The fourth proportional to 3,274.37, 4,518.62 and 1,782.30 is: 2,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.37 : 4,518.62 = 1,782.30 : x
  2. Step 2: Convert to fraction form
    3,274.37/4,518.62 = 1,782.30/x
  3. Step 3: Cross multiply
    3,274.37x = 4,518.62 × 1,782.30
  4. Step 4: Simplify right side
    3,274.37x = 8,053,536.43
  5. Step 5: Solve for x
    x = 8,053,536.43/3,274.37
  6. Step 6: Final answer
    x = 2,459.57

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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.