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Finding the Fourth Proportional to 3,309.39, 4,964.10 and 1,088.19

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Solution

The fourth proportional to 3,309.39, 4,964.10 and 1,088.19 is: 1,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.39 : 4,964.10 = 1,088.19 : x
  2. Step 2: Convert to fraction form
    3,309.39/4,964.10 = 1,088.19/x
  3. Step 3: Cross multiply
    3,309.39x = 4,964.10 × 1,088.19
  4. Step 4: Simplify right side
    3,309.39x = 5,401,883.98
  5. Step 5: Solve for x
    x = 5,401,883.98/3,309.39
  6. Step 6: Final answer
    x = 1,632.29

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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.