Home / 5,851.60-8,075.11-3,198.96

Finding the Fourth Proportional to 5,851.60, 8,075.11 and 3,198.96

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Solution

The fourth proportional to 5,851.60, 8,075.11 and 3,198.96 is: 4,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.60 : 8,075.11 = 3,198.96 : x
  2. Step 2: Convert to fraction form
    5,851.60/8,075.11 = 3,198.96/x
  3. Step 3: Cross multiply
    5,851.60x = 8,075.11 × 3,198.96
  4. Step 4: Simplify right side
    5,851.60x = 25,831,953.89
  5. Step 5: Solve for x
    x = 25,831,953.89/5,851.60
  6. Step 6: Final answer
    x = 4,414.51

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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.