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Finding the Fourth Proportional to 3,483.93, 5,221.85 and 1,729.74

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Solution

The fourth proportional to 3,483.93, 5,221.85 and 1,729.74 is: 2,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.93 : 5,221.85 = 1,729.74 : x
  2. Step 2: Convert to fraction form
    3,483.93/5,221.85 = 1,729.74/x
  3. Step 3: Cross multiply
    3,483.93x = 5,221.85 × 1,729.74
  4. Step 4: Simplify right side
    3,483.93x = 9,032,434.17
  5. Step 5: Solve for x
    x = 9,032,434.17/3,483.93
  6. Step 6: Final answer
    x = 2,592.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.