Home / 5,267.81-7,905.93-2,635.21

Finding the Fourth Proportional to 5,267.81, 7,905.93 and 2,635.21

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Solution

The fourth proportional to 5,267.81, 7,905.93 and 2,635.21 is: 3,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.81 : 7,905.93 = 2,635.21 : x
  2. Step 2: Convert to fraction form
    5,267.81/7,905.93 = 2,635.21/x
  3. Step 3: Cross multiply
    5,267.81x = 7,905.93 × 2,635.21
  4. Step 4: Simplify right side
    5,267.81x = 20,833,770.97
  5. Step 5: Solve for x
    x = 20,833,770.97/5,267.81
  6. Step 6: Final answer
    x = 3,954.92

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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.