Home / 5,133.12-7,694.34-2,496.78

Finding the Fourth Proportional to 5,133.12, 7,694.34 and 2,496.78

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Solution

The fourth proportional to 5,133.12, 7,694.34 and 2,496.78 is: 3,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.12 : 7,694.34 = 2,496.78 : x
  2. Step 2: Convert to fraction form
    5,133.12/7,694.34 = 2,496.78/x
  3. Step 3: Cross multiply
    5,133.12x = 7,694.34 × 2,496.78
  4. Step 4: Simplify right side
    5,133.12x = 19,211,074.23
  5. Step 5: Solve for x
    x = 19,211,074.23/5,133.12
  6. Step 6: Final answer
    x = 3,742.57

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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.