Home / 3,970.46-5,958.40-1,373.38

Finding the Fourth Proportional to 3,970.46, 5,958.40 and 1,373.38

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Solution

The fourth proportional to 3,970.46, 5,958.40 and 1,373.38 is: 2,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.46 : 5,958.40 = 1,373.38 : x
  2. Step 2: Convert to fraction form
    3,970.46/5,958.40 = 1,373.38/x
  3. Step 3: Cross multiply
    3,970.46x = 5,958.40 × 1,373.38
  4. Step 4: Simplify right side
    3,970.46x = 8,183,147.39
  5. Step 5: Solve for x
    x = 8,183,147.39/3,970.46
  6. Step 6: Final answer
    x = 2,061.01

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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.