Home / 1,630.36-2,249.10-1,024.60

Finding the Fourth Proportional to 1,630.36, 2,249.10 and 1,024.60

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Solution

The fourth proportional to 1,630.36, 2,249.10 and 1,024.60 is: 1,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.36 : 2,249.10 = 1,024.60 : x
  2. Step 2: Convert to fraction form
    1,630.36/2,249.10 = 1,024.60/x
  3. Step 3: Cross multiply
    1,630.36x = 2,249.10 × 1,024.60
  4. Step 4: Simplify right side
    1,630.36x = 2,304,427.86
  5. Step 5: Solve for x
    x = 2,304,427.86/1,630.36
  6. Step 6: Final answer
    x = 1,413.45

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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.