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Finding the Fourth Proportional to 2,864.03, 3,922.74 and 2,695.91

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Solution

The fourth proportional to 2,864.03, 3,922.74 and 2,695.91 is: 3,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.03 : 3,922.74 = 2,695.91 : x
  2. Step 2: Convert to fraction form
    2,864.03/3,922.74 = 2,695.91/x
  3. Step 3: Cross multiply
    2,864.03x = 3,922.74 × 2,695.91
  4. Step 4: Simplify right side
    2,864.03x = 10,575,353.99
  5. Step 5: Solve for x
    x = 10,575,353.99/2,864.03
  6. Step 6: Final answer
    x = 3,692.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.