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Finding the Fourth Proportional to 3,904.29, 5,857.29 and 1,130.99

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Solution

The fourth proportional to 3,904.29, 5,857.29 and 1,130.99 is: 1,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.29 : 5,857.29 = 1,130.99 : x
  2. Step 2: Convert to fraction form
    3,904.29/5,857.29 = 1,130.99/x
  3. Step 3: Cross multiply
    3,904.29x = 5,857.29 × 1,130.99
  4. Step 4: Simplify right side
    3,904.29x = 6,624,507.13
  5. Step 5: Solve for x
    x = 6,624,507.13/3,904.29
  6. Step 6: Final answer
    x = 1,696.73

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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.