Home / 3,208.67-4,427.65-1,792.25

Finding the Fourth Proportional to 3,208.67, 4,427.65 and 1,792.25

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Solution

The fourth proportional to 3,208.67, 4,427.65 and 1,792.25 is: 2,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.67 : 4,427.65 = 1,792.25 : x
  2. Step 2: Convert to fraction form
    3,208.67/4,427.65 = 1,792.25/x
  3. Step 3: Cross multiply
    3,208.67x = 4,427.65 × 1,792.25
  4. Step 4: Simplify right side
    3,208.67x = 7,935,433.57
  5. Step 5: Solve for x
    x = 7,935,433.57/3,208.67
  6. Step 6: Final answer
    x = 2,473.12

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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.