Home / 3,826.50-5,734.14-1,880.10

Finding the Fourth Proportional to 3,826.50, 5,734.14 and 1,880.10

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Solution

The fourth proportional to 3,826.50, 5,734.14 and 1,880.10 is: 2,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.50 : 5,734.14 = 1,880.10 : x
  2. Step 2: Convert to fraction form
    3,826.50/5,734.14 = 1,880.10/x
  3. Step 3: Cross multiply
    3,826.50x = 5,734.14 × 1,880.10
  4. Step 4: Simplify right side
    3,826.50x = 10,780,756.61
  5. Step 5: Solve for x
    x = 10,780,756.61/3,826.50
  6. Step 6: Final answer
    x = 2,817.39

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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.