Home / 5,169.42-7,756.70-2,049.36

Finding the Fourth Proportional to 5,169.42, 7,756.70 and 2,049.36

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Solution

The fourth proportional to 5,169.42, 7,756.70 and 2,049.36 is: 3,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.42 : 7,756.70 = 2,049.36 : x
  2. Step 2: Convert to fraction form
    5,169.42/7,756.70 = 2,049.36/x
  3. Step 3: Cross multiply
    5,169.42x = 7,756.70 × 2,049.36
  4. Step 4: Simplify right side
    5,169.42x = 15,896,260.47
  5. Step 5: Solve for x
    x = 15,896,260.47/5,169.42
  6. Step 6: Final answer
    x = 3,075.06

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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.