Home / 4,075.12-6,109.98-2,101.96

Finding the Fourth Proportional to 4,075.12, 6,109.98 and 2,101.96

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Solution

The fourth proportional to 4,075.12, 6,109.98 and 2,101.96 is: 3,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.12 : 6,109.98 = 2,101.96 : x
  2. Step 2: Convert to fraction form
    4,075.12/6,109.98 = 2,101.96/x
  3. Step 3: Cross multiply
    4,075.12x = 6,109.98 × 2,101.96
  4. Step 4: Simplify right side
    4,075.12x = 12,842,933.56
  5. Step 5: Solve for x
    x = 12,842,933.56/4,075.12
  6. Step 6: Final answer
    x = 3,151.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.