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Finding the Fourth Proportional to 5,173.19, 7,761 and 1,710.44

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Solution

The fourth proportional to 5,173.19, 7,761 and 1,710.44 is: 2,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.19 : 7,761 = 1,710.44 : x
  2. Step 2: Convert to fraction form
    5,173.19/7,761 = 1,710.44/x
  3. Step 3: Cross multiply
    5,173.19x = 7,761 × 1,710.44
  4. Step 4: Simplify right side
    5,173.19x = 13,274,724.84
  5. Step 5: Solve for x
    x = 13,274,724.84/5,173.19
  6. Step 6: Final answer
    x = 2,566.06

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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.