Home / 4,418.74-6,627.61-1,131.86

Finding the Fourth Proportional to 4,418.74, 6,627.61 and 1,131.86

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Solution

The fourth proportional to 4,418.74, 6,627.61 and 1,131.86 is: 1,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.74 : 6,627.61 = 1,131.86 : x
  2. Step 2: Convert to fraction form
    4,418.74/6,627.61 = 1,131.86/x
  3. Step 3: Cross multiply
    4,418.74x = 6,627.61 × 1,131.86
  4. Step 4: Simplify right side
    4,418.74x = 7,501,526.65
  5. Step 5: Solve for x
    x = 7,501,526.65/4,418.74
  6. Step 6: Final answer
    x = 1,697.66

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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.