Home / 2,451.09-3,670.32-1,626.78

Finding the Fourth Proportional to 2,451.09, 3,670.32 and 1,626.78

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Solution

The fourth proportional to 2,451.09, 3,670.32 and 1,626.78 is: 2,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.09 : 3,670.32 = 1,626.78 : x
  2. Step 2: Convert to fraction form
    2,451.09/3,670.32 = 1,626.78/x
  3. Step 3: Cross multiply
    2,451.09x = 3,670.32 × 1,626.78
  4. Step 4: Simplify right side
    2,451.09x = 5,970,803.17
  5. Step 5: Solve for x
    x = 5,970,803.17/2,451.09
  6. Step 6: Final answer
    x = 2,435.98

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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.