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Finding the Fourth Proportional to 2,907.37, 4,361.15 and 1,152.71

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Solution

The fourth proportional to 2,907.37, 4,361.15 and 1,152.71 is: 1,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.37 : 4,361.15 = 1,152.71 : x
  2. Step 2: Convert to fraction form
    2,907.37/4,361.15 = 1,152.71/x
  3. Step 3: Cross multiply
    2,907.37x = 4,361.15 × 1,152.71
  4. Step 4: Simplify right side
    2,907.37x = 5,027,122.29
  5. Step 5: Solve for x
    x = 5,027,122.29/2,907.37
  6. Step 6: Final answer
    x = 1,729.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.