Home / 2,692.08-3,708.36-1,992.24

Finding the Fourth Proportional to 2,692.08, 3,708.36 and 1,992.24

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Solution

The fourth proportional to 2,692.08, 3,708.36 and 1,992.24 is: 2,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.08 : 3,708.36 = 1,992.24 : x
  2. Step 2: Convert to fraction form
    2,692.08/3,708.36 = 1,992.24/x
  3. Step 3: Cross multiply
    2,692.08x = 3,708.36 × 1,992.24
  4. Step 4: Simplify right side
    2,692.08x = 7,387,943.13
  5. Step 5: Solve for x
    x = 7,387,943.13/2,692.08
  6. Step 6: Final answer
    x = 2,744.33

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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.