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Finding the Fourth Proportional to 4,636.39, 6,398.39 and 2,540.52

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Solution

The fourth proportional to 4,636.39, 6,398.39 and 2,540.52 is: 3,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.39 : 6,398.39 = 2,540.52 : x
  2. Step 2: Convert to fraction form
    4,636.39/6,398.39 = 2,540.52/x
  3. Step 3: Cross multiply
    4,636.39x = 6,398.39 × 2,540.52
  4. Step 4: Simplify right side
    4,636.39x = 16,255,193.07
  5. Step 5: Solve for x
    x = 16,255,193.07/4,636.39
  6. Step 6: Final answer
    x = 3,506.00

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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.