Home / 1,692.19-2,335.26-1,195.71

Finding the Fourth Proportional to 1,692.19, 2,335.26 and 1,195.71

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Solution

The fourth proportional to 1,692.19, 2,335.26 and 1,195.71 is: 1,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.19 : 2,335.26 = 1,195.71 : x
  2. Step 2: Convert to fraction form
    1,692.19/2,335.26 = 1,195.71/x
  3. Step 3: Cross multiply
    1,692.19x = 2,335.26 × 1,195.71
  4. Step 4: Simplify right side
    1,692.19x = 2,792,293.73
  5. Step 5: Solve for x
    x = 2,792,293.73/1,692.19
  6. Step 6: Final answer
    x = 1,650.11

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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.