Home / 3,279.49-4,523.85-1,953.11

Finding the Fourth Proportional to 3,279.49, 4,523.85 and 1,953.11

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Solution

The fourth proportional to 3,279.49, 4,523.85 and 1,953.11 is: 2,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.49 : 4,523.85 = 1,953.11 : x
  2. Step 2: Convert to fraction form
    3,279.49/4,523.85 = 1,953.11/x
  3. Step 3: Cross multiply
    3,279.49x = 4,523.85 × 1,953.11
  4. Step 4: Simplify right side
    3,279.49x = 8,835,587.98
  5. Step 5: Solve for x
    x = 8,835,587.98/3,279.49
  6. Step 6: Final answer
    x = 2,694.20

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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.