Home / 7,163.51-10,749.50-3,876.53

Finding the Fourth Proportional to 7,163.51, 10,749.50 and 3,876.53

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Solution

The fourth proportional to 7,163.51, 10,749.50 and 3,876.53 is: 5,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.51 : 10,749.50 = 3,876.53 : x
  2. Step 2: Convert to fraction form
    7,163.51/10,749.50 = 3,876.53/x
  3. Step 3: Cross multiply
    7,163.51x = 10,749.50 × 3,876.53
  4. Step 4: Simplify right side
    7,163.51x = 41,670,686.10
  5. Step 5: Solve for x
    x = 41,670,686.10/7,163.51
  6. Step 6: Final answer
    x = 5,817.08

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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.