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Finding the Fourth Proportional to 3,937.55, 5,907.24 and 1,304.96

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Solution

The fourth proportional to 3,937.55, 5,907.24 and 1,304.96 is: 1,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.55 : 5,907.24 = 1,304.96 : x
  2. Step 2: Convert to fraction form
    3,937.55/5,907.24 = 1,304.96/x
  3. Step 3: Cross multiply
    3,937.55x = 5,907.24 × 1,304.96
  4. Step 4: Simplify right side
    3,937.55x = 7,708,682.37
  5. Step 5: Solve for x
    x = 7,708,682.37/3,937.55
  6. Step 6: Final answer
    x = 1,957.74

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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.