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Finding the Fourth Proportional to 5,157.27, 7,735.89 and 1,870.35

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Solution

The fourth proportional to 5,157.27, 7,735.89 and 1,870.35 is: 2,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.27 : 7,735.89 = 1,870.35 : x
  2. Step 2: Convert to fraction form
    5,157.27/7,735.89 = 1,870.35/x
  3. Step 3: Cross multiply
    5,157.27x = 7,735.89 × 1,870.35
  4. Step 4: Simplify right side
    5,157.27x = 14,468,821.86
  5. Step 5: Solve for x
    x = 14,468,821.86/5,157.27
  6. Step 6: Final answer
    x = 2,805.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.