Home / 3,208.82-4,428.37-1,792.51

Finding the Fourth Proportional to 3,208.82, 4,428.37 and 1,792.51

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Solution

The fourth proportional to 3,208.82, 4,428.37 and 1,792.51 is: 2,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.82 : 4,428.37 = 1,792.51 : x
  2. Step 2: Convert to fraction form
    3,208.82/4,428.37 = 1,792.51/x
  3. Step 3: Cross multiply
    3,208.82x = 4,428.37 × 1,792.51
  4. Step 4: Simplify right side
    3,208.82x = 7,937,897.51
  5. Step 5: Solve for x
    x = 7,937,897.51/3,208.82
  6. Step 6: Final answer
    x = 2,473.77

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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.