Home / 5,819.51-8,724.12-2,311.98

Finding the Fourth Proportional to 5,819.51, 8,724.12 and 2,311.98

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Solution

The fourth proportional to 5,819.51, 8,724.12 and 2,311.98 is: 3,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.51 : 8,724.12 = 2,311.98 : x
  2. Step 2: Convert to fraction form
    5,819.51/8,724.12 = 2,311.98/x
  3. Step 3: Cross multiply
    5,819.51x = 8,724.12 × 2,311.98
  4. Step 4: Simplify right side
    5,819.51x = 20,169,990.96
  5. Step 5: Solve for x
    x = 20,169,990.96/5,819.51
  6. Step 6: Final answer
    x = 3,465.93

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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.