Home / 1,825.16-2,733.64-1,413.05

Finding the Fourth Proportional to 1,825.16, 2,733.64 and 1,413.05

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Solution

The fourth proportional to 1,825.16, 2,733.64 and 1,413.05 is: 2,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.16 : 2,733.64 = 1,413.05 : x
  2. Step 2: Convert to fraction form
    1,825.16/2,733.64 = 1,413.05/x
  3. Step 3: Cross multiply
    1,825.16x = 2,733.64 × 1,413.05
  4. Step 4: Simplify right side
    1,825.16x = 3,862,750.81
  5. Step 5: Solve for x
    x = 3,862,750.81/1,825.16
  6. Step 6: Final answer
    x = 2,116.39

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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.