Home / 4,127.46-5,692.71-2,868.49

Finding the Fourth Proportional to 4,127.46, 5,692.71 and 2,868.49

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Solution

The fourth proportional to 4,127.46, 5,692.71 and 2,868.49 is: 3,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.46 : 5,692.71 = 2,868.49 : x
  2. Step 2: Convert to fraction form
    4,127.46/5,692.71 = 2,868.49/x
  3. Step 3: Cross multiply
    4,127.46x = 5,692.71 × 2,868.49
  4. Step 4: Simplify right side
    4,127.46x = 16,329,481.71
  5. Step 5: Solve for x
    x = 16,329,481.71/4,127.46
  6. Step 6: Final answer
    x = 3,956.30

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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.