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Finding the Fourth Proportional to 3,804.99, 5,708.48 and 1,339.44

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Solution

The fourth proportional to 3,804.99, 5,708.48 and 1,339.44 is: 2,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.99 : 5,708.48 = 1,339.44 : x
  2. Step 2: Convert to fraction form
    3,804.99/5,708.48 = 1,339.44/x
  3. Step 3: Cross multiply
    3,804.99x = 5,708.48 × 1,339.44
  4. Step 4: Simplify right side
    3,804.99x = 7,646,166.45
  5. Step 5: Solve for x
    x = 7,646,166.45/3,804.99
  6. Step 6: Final answer
    x = 2,009.51

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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.