Home / 3,075.90-4,234.05-2,682.24

Finding the Fourth Proportional to 3,075.90, 4,234.05 and 2,682.24

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Solution

The fourth proportional to 3,075.90, 4,234.05 and 2,682.24 is: 3,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.90 : 4,234.05 = 2,682.24 : x
  2. Step 2: Convert to fraction form
    3,075.90/4,234.05 = 2,682.24/x
  3. Step 3: Cross multiply
    3,075.90x = 4,234.05 × 2,682.24
  4. Step 4: Simplify right side
    3,075.90x = 11,356,738.27
  5. Step 5: Solve for x
    x = 11,356,738.27/3,075.90
  6. Step 6: Final answer
    x = 3,692.17

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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.