Home / 6,211.81-9,318.63-2,052.25

Finding the Fourth Proportional to 6,211.81, 9,318.63 and 2,052.25

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Solution

The fourth proportional to 6,211.81, 9,318.63 and 2,052.25 is: 3,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.81 : 9,318.63 = 2,052.25 : x
  2. Step 2: Convert to fraction form
    6,211.81/9,318.63 = 2,052.25/x
  3. Step 3: Cross multiply
    6,211.81x = 9,318.63 × 2,052.25
  4. Step 4: Simplify right side
    6,211.81x = 19,124,158.42
  5. Step 5: Solve for x
    x = 19,124,158.42/6,211.81
  6. Step 6: Final answer
    x = 3,078.68

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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.