Home / 5,499.66-7,589.46-2,981.77

Finding the Fourth Proportional to 5,499.66, 7,589.46 and 2,981.77

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Solution

The fourth proportional to 5,499.66, 7,589.46 and 2,981.77 is: 4,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.66 : 7,589.46 = 2,981.77 : x
  2. Step 2: Convert to fraction form
    5,499.66/7,589.46 = 2,981.77/x
  3. Step 3: Cross multiply
    5,499.66x = 7,589.46 × 2,981.77
  4. Step 4: Simplify right side
    5,499.66x = 22,630,024.14
  5. Step 5: Solve for x
    x = 22,630,024.14/5,499.66
  6. Step 6: Final answer
    x = 4,114.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.