Home / 2,467.35-3,405.05-1,405.22

Finding the Fourth Proportional to 2,467.35, 3,405.05 and 1,405.22

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Solution

The fourth proportional to 2,467.35, 3,405.05 and 1,405.22 is: 1,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.35 : 3,405.05 = 1,405.22 : x
  2. Step 2: Convert to fraction form
    2,467.35/3,405.05 = 1,405.22/x
  3. Step 3: Cross multiply
    2,467.35x = 3,405.05 × 1,405.22
  4. Step 4: Simplify right side
    2,467.35x = 4,784,844.36
  5. Step 5: Solve for x
    x = 4,784,844.36/2,467.35
  6. Step 6: Final answer
    x = 1,939.26

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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.