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Finding the Fourth Proportional to 3,429.78, 4,733.03 and 1,937.59

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Solution

The fourth proportional to 3,429.78, 4,733.03 and 1,937.59 is: 2,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.78 : 4,733.03 = 1,937.59 : x
  2. Step 2: Convert to fraction form
    3,429.78/4,733.03 = 1,937.59/x
  3. Step 3: Cross multiply
    3,429.78x = 4,733.03 × 1,937.59
  4. Step 4: Simplify right side
    3,429.78x = 9,170,671.60
  5. Step 5: Solve for x
    x = 9,170,671.60/3,429.78
  6. Step 6: Final answer
    x = 2,673.84

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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.