Home / 1,458.79-2,177.27-1,413.43

Finding the Fourth Proportional to 1,458.79, 2,177.27 and 1,413.43

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Solution

The fourth proportional to 1,458.79, 2,177.27 and 1,413.43 is: 2,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.79 : 2,177.27 = 1,413.43 : x
  2. Step 2: Convert to fraction form
    1,458.79/2,177.27 = 1,413.43/x
  3. Step 3: Cross multiply
    1,458.79x = 2,177.27 × 1,413.43
  4. Step 4: Simplify right side
    1,458.79x = 3,077,418.74
  5. Step 5: Solve for x
    x = 3,077,418.74/1,458.79
  6. Step 6: Final answer
    x = 2,109.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.