Home / 3,295.48-4,548.54-1,969.78

Finding the Fourth Proportional to 3,295.48, 4,548.54 and 1,969.78

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Solution

The fourth proportional to 3,295.48, 4,548.54 and 1,969.78 is: 2,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.48 : 4,548.54 = 1,969.78 : x
  2. Step 2: Convert to fraction form
    3,295.48/4,548.54 = 1,969.78/x
  3. Step 3: Cross multiply
    3,295.48x = 4,548.54 × 1,969.78
  4. Step 4: Simplify right side
    3,295.48x = 8,959,623.12
  5. Step 5: Solve for x
    x = 8,959,623.12/3,295.48
  6. Step 6: Final answer
    x = 2,718.76

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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.