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Finding the Fourth Proportional to 5,928.62, 8,898.31 and 3,157.64

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Solution

The fourth proportional to 5,928.62, 8,898.31 and 3,157.64 is: 4,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.62 : 8,898.31 = 3,157.64 : x
  2. Step 2: Convert to fraction form
    5,928.62/8,898.31 = 3,157.64/x
  3. Step 3: Cross multiply
    5,928.62x = 8,898.31 × 3,157.64
  4. Step 4: Simplify right side
    5,928.62x = 28,097,643.80
  5. Step 5: Solve for x
    x = 28,097,643.80/5,928.62
  6. Step 6: Final answer
    x = 4,739.33

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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.