Home / 6,075.05-9,109.04-2,786.40

Finding the Fourth Proportional to 6,075.05, 9,109.04 and 2,786.40

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Solution

The fourth proportional to 6,075.05, 9,109.04 and 2,786.40 is: 4,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.05 : 9,109.04 = 2,786.40 : x
  2. Step 2: Convert to fraction form
    6,075.05/9,109.04 = 2,786.40/x
  3. Step 3: Cross multiply
    6,075.05x = 9,109.04 × 2,786.40
  4. Step 4: Simplify right side
    6,075.05x = 25,381,415.12
  5. Step 5: Solve for x
    x = 25,381,415.12/6,075.05
  6. Step 6: Final answer
    x = 4,177.98

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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.