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Finding the Fourth Proportional to 3,093.61, 4,269.21 and 1,730.89

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Solution

The fourth proportional to 3,093.61, 4,269.21 and 1,730.89 is: 2,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.61 : 4,269.21 = 1,730.89 : x
  2. Step 2: Convert to fraction form
    3,093.61/4,269.21 = 1,730.89/x
  3. Step 3: Cross multiply
    3,093.61x = 4,269.21 × 1,730.89
  4. Step 4: Simplify right side
    3,093.61x = 7,389,532.90
  5. Step 5: Solve for x
    x = 7,389,532.90/3,093.61
  6. Step 6: Final answer
    x = 2,388.64

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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.