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Finding the Fourth Proportional to 3,859.74, 5,795.10 and 3,683.58

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Solution

The fourth proportional to 3,859.74, 5,795.10 and 3,683.58 is: 5,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.74 : 5,795.10 = 3,683.58 : x
  2. Step 2: Convert to fraction form
    3,859.74/5,795.10 = 3,683.58/x
  3. Step 3: Cross multiply
    3,859.74x = 5,795.10 × 3,683.58
  4. Step 4: Simplify right side
    3,859.74x = 21,346,714.46
  5. Step 5: Solve for x
    x = 21,346,714.46/3,859.74
  6. Step 6: Final answer
    x = 5,530.61

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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.