Home / 6,075.85-9,115.80-5,422.60

Finding the Fourth Proportional to 6,075.85, 9,115.80 and 5,422.60

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Solution

The fourth proportional to 6,075.85, 9,115.80 and 5,422.60 is: 8,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.85 : 9,115.80 = 5,422.60 : x
  2. Step 2: Convert to fraction form
    6,075.85/9,115.80 = 5,422.60/x
  3. Step 3: Cross multiply
    6,075.85x = 9,115.80 × 5,422.60
  4. Step 4: Simplify right side
    6,075.85x = 49,431,337.08
  5. Step 5: Solve for x
    x = 49,431,337.08/6,075.85
  6. Step 6: Final answer
    x = 8,135.71

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1.5x scale

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.