Home / 2,696.25-3,722.45-1,766.37

Finding the Fourth Proportional to 2,696.25, 3,722.45 and 1,766.37

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Solution

The fourth proportional to 2,696.25, 3,722.45 and 1,766.37 is: 2,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.25 : 3,722.45 = 1,766.37 : x
  2. Step 2: Convert to fraction form
    2,696.25/3,722.45 = 1,766.37/x
  3. Step 3: Cross multiply
    2,696.25x = 3,722.45 × 1,766.37
  4. Step 4: Simplify right side
    2,696.25x = 6,575,215.17
  5. Step 5: Solve for x
    x = 6,575,215.17/2,696.25
  6. Step 6: Final answer
    x = 2,438.65

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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.