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Finding the Fourth Proportional to 5,899.64, 8,125.72 and 4,405.19

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Solution

The fourth proportional to 5,899.64, 8,125.72 and 4,405.19 is: 6,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.64 : 8,125.72 = 4,405.19 : x
  2. Step 2: Convert to fraction form
    5,899.64/8,125.72 = 4,405.19/x
  3. Step 3: Cross multiply
    5,899.64x = 8,125.72 × 4,405.19
  4. Step 4: Simplify right side
    5,899.64x = 35,795,288.85
  5. Step 5: Solve for x
    x = 35,795,288.85/5,899.64
  6. Step 6: Final answer
    x = 6,067.37

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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.