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Finding the Fourth Proportional to 4,398.67, 6,597.10 and 2,620.53

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Solution

The fourth proportional to 4,398.67, 6,597.10 and 2,620.53 is: 3,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.67 : 6,597.10 = 2,620.53 : x
  2. Step 2: Convert to fraction form
    4,398.67/6,597.10 = 2,620.53/x
  3. Step 3: Cross multiply
    4,398.67x = 6,597.10 × 2,620.53
  4. Step 4: Simplify right side
    4,398.67x = 17,287,898.46
  5. Step 5: Solve for x
    x = 17,287,898.46/4,398.67
  6. Step 6: Final answer
    x = 3,930.26

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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.