Home / 1,951.19-2,692.63-1,066.98

Finding the Fourth Proportional to 1,951.19, 2,692.63 and 1,066.98

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Solution

The fourth proportional to 1,951.19, 2,692.63 and 1,066.98 is: 1,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.19 : 2,692.63 = 1,066.98 : x
  2. Step 2: Convert to fraction form
    1,951.19/2,692.63 = 1,066.98/x
  3. Step 3: Cross multiply
    1,951.19x = 2,692.63 × 1,066.98
  4. Step 4: Simplify right side
    1,951.19x = 2,872,993.79
  5. Step 5: Solve for x
    x = 2,872,993.79/1,951.19
  6. Step 6: Final answer
    x = 1,472.43

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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.