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Finding the Fourth Proportional to 2,630.10, 3,654.45 and 2,602.68

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Solution

The fourth proportional to 2,630.10, 3,654.45 and 2,602.68 is: 3,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.10 : 3,654.45 = 2,602.68 : x
  2. Step 2: Convert to fraction form
    2,630.10/3,654.45 = 2,602.68/x
  3. Step 3: Cross multiply
    2,630.10x = 3,654.45 × 2,602.68
  4. Step 4: Simplify right side
    2,630.10x = 9,511,363.93
  5. Step 5: Solve for x
    x = 9,511,363.93/2,630.10
  6. Step 6: Final answer
    x = 3,616.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.