Home / 3,274.01-4,518.84-2,278.92

Finding the Fourth Proportional to 3,274.01, 4,518.84 and 2,278.92

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Solution

The fourth proportional to 3,274.01, 4,518.84 and 2,278.92 is: 3,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.01 : 4,518.84 = 2,278.92 : x
  2. Step 2: Convert to fraction form
    3,274.01/4,518.84 = 2,278.92/x
  3. Step 3: Cross multiply
    3,274.01x = 4,518.84 × 2,278.92
  4. Step 4: Simplify right side
    3,274.01x = 10,298,074.85
  5. Step 5: Solve for x
    x = 10,298,074.85/3,274.01
  6. Step 6: Final answer
    x = 3,145.41

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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.