Home / 3,739.29-5,161.41-2,412.98

Finding the Fourth Proportional to 3,739.29, 5,161.41 and 2,412.98

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Solution

The fourth proportional to 3,739.29, 5,161.41 and 2,412.98 is: 3,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.29 : 5,161.41 = 2,412.98 : x
  2. Step 2: Convert to fraction form
    3,739.29/5,161.41 = 2,412.98/x
  3. Step 3: Cross multiply
    3,739.29x = 5,161.41 × 2,412.98
  4. Step 4: Simplify right side
    3,739.29x = 12,454,353.29
  5. Step 5: Solve for x
    x = 12,454,353.29/3,739.29
  6. Step 6: Final answer
    x = 3,330.67

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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.