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Finding the Fourth Proportional to 3,391.99, 5,087.46 and 927.01

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Solution

The fourth proportional to 3,391.99, 5,087.46 and 927.01 is: 1,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.99 : 5,087.46 = 927.01 : x
  2. Step 2: Convert to fraction form
    3,391.99/5,087.46 = 927.01/x
  3. Step 3: Cross multiply
    3,391.99x = 5,087.46 × 927.01
  4. Step 4: Simplify right side
    3,391.99x = 4,716,126.29
  5. Step 5: Solve for x
    x = 4,716,126.29/3,391.99
  6. Step 6: Final answer
    x = 1,390.37

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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.