Home / 7,164.18-10,749.54-3,703.86

Finding the Fourth Proportional to 7,164.18, 10,749.54 and 3,703.86

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Solution

The fourth proportional to 7,164.18, 10,749.54 and 3,703.86 is: 5,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.18 : 10,749.54 = 3,703.86 : x
  2. Step 2: Convert to fraction form
    7,164.18/10,749.54 = 3,703.86/x
  3. Step 3: Cross multiply
    7,164.18x = 10,749.54 × 3,703.86
  4. Step 4: Simplify right side
    7,164.18x = 39,814,791.22
  5. Step 5: Solve for x
    x = 39,814,791.22/7,164.18
  6. Step 6: Final answer
    x = 5,557.48

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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.