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Finding the Fourth Proportional to 3,835.62, 5,752.71 and 1,370.43

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Solution

The fourth proportional to 3,835.62, 5,752.71 and 1,370.43 is: 2,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.62 : 5,752.71 = 1,370.43 : x
  2. Step 2: Convert to fraction form
    3,835.62/5,752.71 = 1,370.43/x
  3. Step 3: Cross multiply
    3,835.62x = 5,752.71 × 1,370.43
  4. Step 4: Simplify right side
    3,835.62x = 7,883,686.37
  5. Step 5: Solve for x
    x = 7,883,686.37/3,835.62
  6. Step 6: Final answer
    x = 2,055.39

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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.