Home / 6,119.05-8,447.79-4,029.25

Finding the Fourth Proportional to 6,119.05, 8,447.79 and 4,029.25

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Solution

The fourth proportional to 6,119.05, 8,447.79 and 4,029.25 is: 5,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.05 : 8,447.79 = 4,029.25 : x
  2. Step 2: Convert to fraction form
    6,119.05/8,447.79 = 4,029.25/x
  3. Step 3: Cross multiply
    6,119.05x = 8,447.79 × 4,029.25
  4. Step 4: Simplify right side
    6,119.05x = 34,038,278.98
  5. Step 5: Solve for x
    x = 34,038,278.98/6,119.05
  6. Step 6: Final answer
    x = 5,562.67

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1.5x scale

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.