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Finding the Fourth Proportional to 5,201.56, 7,801.53 and 1,738

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Solution

The fourth proportional to 5,201.56, 7,801.53 and 1,738 is: 2,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.56 : 7,801.53 = 1,738 : x
  2. Step 2: Convert to fraction form
    5,201.56/7,801.53 = 1,738/x
  3. Step 3: Cross multiply
    5,201.56x = 7,801.53 × 1,738
  4. Step 4: Simplify right side
    5,201.56x = 13,559,059.14
  5. Step 5: Solve for x
    x = 13,559,059.14/5,201.56
  6. Step 6: Final answer
    x = 2,606.73

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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.