Home / 5,103.84-7,043.25-2,865.67

Finding the Fourth Proportional to 5,103.84, 7,043.25 and 2,865.67

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Solution

The fourth proportional to 5,103.84, 7,043.25 and 2,865.67 is: 3,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.84 : 7,043.25 = 2,865.67 : x
  2. Step 2: Convert to fraction form
    5,103.84/7,043.25 = 2,865.67/x
  3. Step 3: Cross multiply
    5,103.84x = 7,043.25 × 2,865.67
  4. Step 4: Simplify right side
    5,103.84x = 20,183,630.23
  5. Step 5: Solve for x
    x = 20,183,630.23/5,103.84
  6. Step 6: Final answer
    x = 3,954.60

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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.