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Finding the Fourth Proportional to 3,848.04, 5,310.27 and 2,079.64

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Solution

The fourth proportional to 3,848.04, 5,310.27 and 2,079.64 is: 2,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.04 : 5,310.27 = 2,079.64 : x
  2. Step 2: Convert to fraction form
    3,848.04/5,310.27 = 2,079.64/x
  3. Step 3: Cross multiply
    3,848.04x = 5,310.27 × 2,079.64
  4. Step 4: Simplify right side
    3,848.04x = 11,043,412.95
  5. Step 5: Solve for x
    x = 11,043,412.95/3,848.04
  6. Step 6: Final answer
    x = 2,869.88

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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.