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Finding the Fourth Proportional to 6,379.34, 8,804.31 and 3,585.38

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Solution

The fourth proportional to 6,379.34, 8,804.31 and 3,585.38 is: 4,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.34 : 8,804.31 = 3,585.38 : x
  2. Step 2: Convert to fraction form
    6,379.34/8,804.31 = 3,585.38/x
  3. Step 3: Cross multiply
    6,379.34x = 8,804.31 × 3,585.38
  4. Step 4: Simplify right side
    6,379.34x = 31,566,796.99
  5. Step 5: Solve for x
    x = 31,566,796.99/6,379.34
  6. Step 6: Final answer
    x = 4,948.29

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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.