Home / 1,467.63-2,025.56-878.27

Finding the Fourth Proportional to 1,467.63, 2,025.56 and 878.27

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Solution

The fourth proportional to 1,467.63, 2,025.56 and 878.27 is: 1,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.63 : 2,025.56 = 878.27 : x
  2. Step 2: Convert to fraction form
    1,467.63/2,025.56 = 878.27/x
  3. Step 3: Cross multiply
    1,467.63x = 2,025.56 × 878.27
  4. Step 4: Simplify right side
    1,467.63x = 1,778,995.84
  5. Step 5: Solve for x
    x = 1,778,995.84/1,467.63
  6. Step 6: Final answer
    x = 1,212.16

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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.