Home / 3,166.25-4,369.64-1,769.00

Finding the Fourth Proportional to 3,166.25, 4,369.64 and 1,769.00

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Solution

The fourth proportional to 3,166.25, 4,369.64 and 1,769.00 is: 2,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.25 : 4,369.64 = 1,769.00 : x
  2. Step 2: Convert to fraction form
    3,166.25/4,369.64 = 1,769.00/x
  3. Step 3: Cross multiply
    3,166.25x = 4,369.64 × 1,769.00
  4. Step 4: Simplify right side
    3,166.25x = 7,729,862.47
  5. Step 5: Solve for x
    x = 7,729,862.47/3,166.25
  6. Step 6: Final answer
    x = 2,441.33

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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.