Home / 3,874.41-5,346.60-2,195.76

Finding the Fourth Proportional to 3,874.41, 5,346.60 and 2,195.76

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Solution

The fourth proportional to 3,874.41, 5,346.60 and 2,195.76 is: 3,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.41 : 5,346.60 = 2,195.76 : x
  2. Step 2: Convert to fraction form
    3,874.41/5,346.60 = 2,195.76/x
  3. Step 3: Cross multiply
    3,874.41x = 5,346.60 × 2,195.76
  4. Step 4: Simplify right side
    3,874.41x = 11,739,850.42
  5. Step 5: Solve for x
    x = 11,739,850.42/3,874.41
  6. Step 6: Final answer
    x = 3,030.10

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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.