Home / 5,225.94-7,211.77-2,868.03

Finding the Fourth Proportional to 5,225.94, 7,211.77 and 2,868.03

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Solution

The fourth proportional to 5,225.94, 7,211.77 and 2,868.03 is: 3,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.94 : 7,211.77 = 2,868.03 : x
  2. Step 2: Convert to fraction form
    5,225.94/7,211.77 = 2,868.03/x
  3. Step 3: Cross multiply
    5,225.94x = 7,211.77 × 2,868.03
  4. Step 4: Simplify right side
    5,225.94x = 20,683,565.54
  5. Step 5: Solve for x
    x = 20,683,565.54/5,225.94
  6. Step 6: Final answer
    x = 3,957.87

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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.