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Finding the Fourth Proportional to 5,608.29, 7,739.07 and 3,368.84

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Solution

The fourth proportional to 5,608.29, 7,739.07 and 3,368.84 is: 4,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.29 : 7,739.07 = 3,368.84 : x
  2. Step 2: Convert to fraction form
    5,608.29/7,739.07 = 3,368.84/x
  3. Step 3: Cross multiply
    5,608.29x = 7,739.07 × 3,368.84
  4. Step 4: Simplify right side
    5,608.29x = 26,071,688.58
  5. Step 5: Solve for x
    x = 26,071,688.58/5,608.29
  6. Step 6: Final answer
    x = 4,648.78

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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.