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Finding the Fourth Proportional to 3,497.64, 4,827.18 and 2,005.71

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Solution

The fourth proportional to 3,497.64, 4,827.18 and 2,005.71 is: 2,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.64 : 4,827.18 = 2,005.71 : x
  2. Step 2: Convert to fraction form
    3,497.64/4,827.18 = 2,005.71/x
  3. Step 3: Cross multiply
    3,497.64x = 4,827.18 × 2,005.71
  4. Step 4: Simplify right side
    3,497.64x = 9,681,923.20
  5. Step 5: Solve for x
    x = 9,681,923.20/3,497.64
  6. Step 6: Final answer
    x = 2,768.13

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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.