Home / 5,225.69-7,211.63-2,867.96

Finding the Fourth Proportional to 5,225.69, 7,211.63 and 2,867.96

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Solution

The fourth proportional to 5,225.69, 7,211.63 and 2,867.96 is: 3,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.69 : 7,211.63 = 2,867.96 : x
  2. Step 2: Convert to fraction form
    5,225.69/7,211.63 = 2,867.96/x
  3. Step 3: Cross multiply
    5,225.69x = 7,211.63 × 2,867.96
  4. Step 4: Simplify right side
    5,225.69x = 20,682,666.37
  5. Step 5: Solve for x
    x = 20,682,666.37/5,225.69
  6. Step 6: Final answer
    x = 3,957.88

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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.