Home / 5,487.68-7,571.76-3,806.48

Finding the Fourth Proportional to 5,487.68, 7,571.76 and 3,806.48

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Solution

The fourth proportional to 5,487.68, 7,571.76 and 3,806.48 is: 5,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.68 : 7,571.76 = 3,806.48 : x
  2. Step 2: Convert to fraction form
    5,487.68/7,571.76 = 3,806.48/x
  3. Step 3: Cross multiply
    5,487.68x = 7,571.76 × 3,806.48
  4. Step 4: Simplify right side
    5,487.68x = 28,821,753.00
  5. Step 5: Solve for x
    x = 28,821,753.00/5,487.68
  6. Step 6: Final answer
    x = 5,252.08

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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.