Home / 5,972.42-8,245.64-3,851.60

Finding the Fourth Proportional to 5,972.42, 8,245.64 and 3,851.60

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Solution

The fourth proportional to 5,972.42, 8,245.64 and 3,851.60 is: 5,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.42 : 8,245.64 = 3,851.60 : x
  2. Step 2: Convert to fraction form
    5,972.42/8,245.64 = 3,851.60/x
  3. Step 3: Cross multiply
    5,972.42x = 8,245.64 × 3,851.60
  4. Step 4: Simplify right side
    5,972.42x = 31,758,907.02
  5. Step 5: Solve for x
    x = 31,758,907.02/5,972.42
  6. Step 6: Final answer
    x = 5,317.59

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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.