Home / 3,675.64-5,072.82-2,082.76

Finding the Fourth Proportional to 3,675.64, 5,072.82 and 2,082.76

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Solution

The fourth proportional to 3,675.64, 5,072.82 and 2,082.76 is: 2,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.64 : 5,072.82 = 2,082.76 : x
  2. Step 2: Convert to fraction form
    3,675.64/5,072.82 = 2,082.76/x
  3. Step 3: Cross multiply
    3,675.64x = 5,072.82 × 2,082.76
  4. Step 4: Simplify right side
    3,675.64x = 10,565,466.58
  5. Step 5: Solve for x
    x = 10,565,466.58/3,675.64
  6. Step 6: Final answer
    x = 2,874.46

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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.