Home / 2,270.52-3,133.33-1,275.77

Finding the Fourth Proportional to 2,270.52, 3,133.33 and 1,275.77

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Solution

The fourth proportional to 2,270.52, 3,133.33 and 1,275.77 is: 1,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.52 : 3,133.33 = 1,275.77 : x
  2. Step 2: Convert to fraction form
    2,270.52/3,133.33 = 1,275.77/x
  3. Step 3: Cross multiply
    2,270.52x = 3,133.33 × 1,275.77
  4. Step 4: Simplify right side
    2,270.52x = 3,997,413.06
  5. Step 5: Solve for x
    x = 3,997,413.06/2,270.52
  6. Step 6: Final answer
    x = 1,760.57

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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.