Home / 2,072.88-3,108.48-1,032.60

Finding the Fourth Proportional to 2,072.88, 3,108.48 and 1,032.60

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Solution

The fourth proportional to 2,072.88, 3,108.48 and 1,032.60 is: 1,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.88 : 3,108.48 = 1,032.60 : x
  2. Step 2: Convert to fraction form
    2,072.88/3,108.48 = 1,032.60/x
  3. Step 3: Cross multiply
    2,072.88x = 3,108.48 × 1,032.60
  4. Step 4: Simplify right side
    2,072.88x = 3,209,816.45
  5. Step 5: Solve for x
    x = 3,209,816.45/2,072.88
  6. Step 6: Final answer
    x = 1,548.48

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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.