Home / 2,908.97-4,342.34-2,692.14

Finding the Fourth Proportional to 2,908.97, 4,342.34 and 2,692.14

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Solution

The fourth proportional to 2,908.97, 4,342.34 and 2,692.14 is: 4,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.97 : 4,342.34 = 2,692.14 : x
  2. Step 2: Convert to fraction form
    2,908.97/4,342.34 = 2,692.14/x
  3. Step 3: Cross multiply
    2,908.97x = 4,342.34 × 2,692.14
  4. Step 4: Simplify right side
    2,908.97x = 11,690,187.21
  5. Step 5: Solve for x
    x = 11,690,187.21/2,908.97
  6. Step 6: Final answer
    x = 4,018.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.