Home / 5,717.67-7,888.63-3,727.50

Finding the Fourth Proportional to 5,717.67, 7,888.63 and 3,727.50

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Solution

The fourth proportional to 5,717.67, 7,888.63 and 3,727.50 is: 5,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.67 : 7,888.63 = 3,727.50 : x
  2. Step 2: Convert to fraction form
    5,717.67/7,888.63 = 3,727.50/x
  3. Step 3: Cross multiply
    5,717.67x = 7,888.63 × 3,727.50
  4. Step 4: Simplify right side
    5,717.67x = 29,404,868.33
  5. Step 5: Solve for x
    x = 29,404,868.33/5,717.67
  6. Step 6: Final answer
    x = 5,142.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.