Home / 5,160.38-7,741.85-1,697.63

Finding the Fourth Proportional to 5,160.38, 7,741.85 and 1,697.63

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Solution

The fourth proportional to 5,160.38, 7,741.85 and 1,697.63 is: 2,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.38 : 7,741.85 = 1,697.63 : x
  2. Step 2: Convert to fraction form
    5,160.38/7,741.85 = 1,697.63/x
  3. Step 3: Cross multiply
    5,160.38x = 7,741.85 × 1,697.63
  4. Step 4: Simplify right side
    5,160.38x = 13,142,749.62
  5. Step 5: Solve for x
    x = 13,142,749.62/5,160.38
  6. Step 6: Final answer
    x = 2,546.86

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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.