Home / 3,274.08-4,518.92-2,156.82

Finding the Fourth Proportional to 3,274.08, 4,518.92 and 2,156.82

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Solution

The fourth proportional to 3,274.08, 4,518.92 and 2,156.82 is: 2,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.08 : 4,518.92 = 2,156.82 : x
  2. Step 2: Convert to fraction form
    3,274.08/4,518.92 = 2,156.82/x
  3. Step 3: Cross multiply
    3,274.08x = 4,518.92 × 2,156.82
  4. Step 4: Simplify right side
    3,274.08x = 9,746,486.25
  5. Step 5: Solve for x
    x = 9,746,486.25/3,274.08
  6. Step 6: Final answer
    x = 2,976.86

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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.