Home / 5,900.86-8,851.75-2,389.20

Finding the Fourth Proportional to 5,900.86, 8,851.75 and 2,389.20

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Solution

The fourth proportional to 5,900.86, 8,851.75 and 2,389.20 is: 3,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.86 : 8,851.75 = 2,389.20 : x
  2. Step 2: Convert to fraction form
    5,900.86/8,851.75 = 2,389.20/x
  3. Step 3: Cross multiply
    5,900.86x = 8,851.75 × 2,389.20
  4. Step 4: Simplify right side
    5,900.86x = 21,148,589.15
  5. Step 5: Solve for x
    x = 21,148,589.15/5,900.86
  6. Step 6: Final answer
    x = 3,583.99

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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.