Home / 6,075.30-9,108.90-2,786.70

Finding the Fourth Proportional to 6,075.30, 9,108.90 and 2,786.70

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Solution

The fourth proportional to 6,075.30, 9,108.90 and 2,786.70 is: 4,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.30 : 9,108.90 = 2,786.70 : x
  2. Step 2: Convert to fraction form
    6,075.30/9,108.90 = 2,786.70/x
  3. Step 3: Cross multiply
    6,075.30x = 9,108.90 × 2,786.70
  4. Step 4: Simplify right side
    6,075.30x = 25,383,771.63
  5. Step 5: Solve for x
    x = 25,383,771.63/6,075.30
  6. Step 6: Final answer
    x = 4,178.19

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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.