Home / 5,858-8,786.04-4,121.36

Finding the Fourth Proportional to 5,858, 8,786.04 and 4,121.36

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Solution

The fourth proportional to 5,858, 8,786.04 and 4,121.36 is: 6,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858 : 8,786.04 = 4,121.36 : x
  2. Step 2: Convert to fraction form
    5,858/8,786.04 = 4,121.36/x
  3. Step 3: Cross multiply
    5,858x = 8,786.04 × 4,121.36
  4. Step 4: Simplify right side
    5,858x = 36,210,433.81
  5. Step 5: Solve for x
    x = 36,210,433.81/5,858
  6. Step 6: Final answer
    x = 6,181.36

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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.