Home / 3,965.08-5,471.44-2,371.42

Finding the Fourth Proportional to 3,965.08, 5,471.44 and 2,371.42

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Solution

The fourth proportional to 3,965.08, 5,471.44 and 2,371.42 is: 3,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.08 : 5,471.44 = 2,371.42 : x
  2. Step 2: Convert to fraction form
    3,965.08/5,471.44 = 2,371.42/x
  3. Step 3: Cross multiply
    3,965.08x = 5,471.44 × 2,371.42
  4. Step 4: Simplify right side
    3,965.08x = 12,975,082.24
  5. Step 5: Solve for x
    x = 12,975,082.24/3,965.08
  6. Step 6: Final answer
    x = 3,272.34

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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.