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Finding the Fourth Proportional to 5,890.93, 8,129.57 and 3,651.68

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Solution

The fourth proportional to 5,890.93, 8,129.57 and 3,651.68 is: 5,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.93 : 8,129.57 = 3,651.68 : x
  2. Step 2: Convert to fraction form
    5,890.93/8,129.57 = 3,651.68/x
  3. Step 3: Cross multiply
    5,890.93x = 8,129.57 × 3,651.68
  4. Step 4: Simplify right side
    5,890.93x = 29,686,590.24
  5. Step 5: Solve for x
    x = 29,686,590.24/5,890.93
  6. Step 6: Final answer
    x = 5,039.37

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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.