Home / 5,974.60-8,964.56-2,081.80

Finding the Fourth Proportional to 5,974.60, 8,964.56 and 2,081.80

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Solution

The fourth proportional to 5,974.60, 8,964.56 and 2,081.80 is: 3,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.60 : 8,964.56 = 2,081.80 : x
  2. Step 2: Convert to fraction form
    5,974.60/8,964.56 = 2,081.80/x
  3. Step 3: Cross multiply
    5,974.60x = 8,964.56 × 2,081.80
  4. Step 4: Simplify right side
    5,974.60x = 18,662,421.01
  5. Step 5: Solve for x
    x = 18,662,421.01/5,974.60
  6. Step 6: Final answer
    x = 3,123.63

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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.