Home / 2,413.80-3,334.08-1,666.44

Finding the Fourth Proportional to 2,413.80, 3,334.08 and 1,666.44

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Solution

The fourth proportional to 2,413.80, 3,334.08 and 1,666.44 is: 2,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.80 : 3,334.08 = 1,666.44 : x
  2. Step 2: Convert to fraction form
    2,413.80/3,334.08 = 1,666.44/x
  3. Step 3: Cross multiply
    2,413.80x = 3,334.08 × 1,666.44
  4. Step 4: Simplify right side
    2,413.80x = 5,556,044.28
  5. Step 5: Solve for x
    x = 5,556,044.28/2,413.80
  6. Step 6: Final answer
    x = 2,301.78

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1.5x scale

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.