Home / 5,851.58-8,075.16-3,198.98

Finding the Fourth Proportional to 5,851.58, 8,075.16 and 3,198.98

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Solution

The fourth proportional to 5,851.58, 8,075.16 and 3,198.98 is: 4,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.58 : 8,075.16 = 3,198.98 : x
  2. Step 2: Convert to fraction form
    5,851.58/8,075.16 = 3,198.98/x
  3. Step 3: Cross multiply
    5,851.58x = 8,075.16 × 3,198.98
  4. Step 4: Simplify right side
    5,851.58x = 25,832,250.10
  5. Step 5: Solve for x
    x = 25,832,250.10/5,851.58
  6. Step 6: Final answer
    x = 4,414.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.