Home / 4,738.12-7,106.22-1,274.56

Finding the Fourth Proportional to 4,738.12, 7,106.22 and 1,274.56

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Solution

The fourth proportional to 4,738.12, 7,106.22 and 1,274.56 is: 1,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.12 : 7,106.22 = 1,274.56 : x
  2. Step 2: Convert to fraction form
    4,738.12/7,106.22 = 1,274.56/x
  3. Step 3: Cross multiply
    4,738.12x = 7,106.22 × 1,274.56
  4. Step 4: Simplify right side
    4,738.12x = 9,057,303.76
  5. Step 5: Solve for x
    x = 9,057,303.76/4,738.12
  6. Step 6: Final answer
    x = 1,911.58

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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.