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Finding the Fourth Proportional to 5,907.94, 8,153.36 and 3,390.82

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Solution

The fourth proportional to 5,907.94, 8,153.36 and 3,390.82 is: 4,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.94 : 8,153.36 = 3,390.82 : x
  2. Step 2: Convert to fraction form
    5,907.94/8,153.36 = 3,390.82/x
  3. Step 3: Cross multiply
    5,907.94x = 8,153.36 × 3,390.82
  4. Step 4: Simplify right side
    5,907.94x = 27,646,576.16
  5. Step 5: Solve for x
    x = 27,646,576.16/5,907.94
  6. Step 6: Final answer
    x = 4,679.56

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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.