Home / 4,101.14-6,142.98-2,147.42

Finding the Fourth Proportional to 4,101.14, 6,142.98 and 2,147.42

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Solution

The fourth proportional to 4,101.14, 6,142.98 and 2,147.42 is: 3,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.14 : 6,142.98 = 2,147.42 : x
  2. Step 2: Convert to fraction form
    4,101.14/6,142.98 = 2,147.42/x
  3. Step 3: Cross multiply
    4,101.14x = 6,142.98 × 2,147.42
  4. Step 4: Simplify right side
    4,101.14x = 13,191,558.11
  5. Step 5: Solve for x
    x = 13,191,558.11/4,101.14
  6. Step 6: Final answer
    x = 3,216.56

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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.