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Finding the Fourth Proportional to 5,371.11, 7,409.07 and 4,310.07

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Solution

The fourth proportional to 5,371.11, 7,409.07 and 4,310.07 is: 5,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.11 : 7,409.07 = 4,310.07 : x
  2. Step 2: Convert to fraction form
    5,371.11/7,409.07 = 4,310.07/x
  3. Step 3: Cross multiply
    5,371.11x = 7,409.07 × 4,310.07
  4. Step 4: Simplify right side
    5,371.11x = 31,933,610.33
  5. Step 5: Solve for x
    x = 31,933,610.33/5,371.11
  6. Step 6: Final answer
    x = 5,945.44

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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.