Home / 5,168.34-7,756.56-1,884.60

Finding the Fourth Proportional to 5,168.34, 7,756.56 and 1,884.60

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Solution

The fourth proportional to 5,168.34, 7,756.56 and 1,884.60 is: 2,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.34 : 7,756.56 = 1,884.60 : x
  2. Step 2: Convert to fraction form
    5,168.34/7,756.56 = 1,884.60/x
  3. Step 3: Cross multiply
    5,168.34x = 7,756.56 × 1,884.60
  4. Step 4: Simplify right side
    5,168.34x = 14,618,012.98
  5. Step 5: Solve for x
    x = 14,618,012.98/5,168.34
  6. Step 6: Final answer
    x = 2,828.38

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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.