Home / 7,082.79-10,618.99-3,571.06

Finding the Fourth Proportional to 7,082.79, 10,618.99 and 3,571.06

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Solution

The fourth proportional to 7,082.79, 10,618.99 and 3,571.06 is: 5,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.79 : 10,618.99 = 3,571.06 : x
  2. Step 2: Convert to fraction form
    7,082.79/10,618.99 = 3,571.06/x
  3. Step 3: Cross multiply
    7,082.79x = 10,618.99 × 3,571.06
  4. Step 4: Simplify right side
    7,082.79x = 37,921,028.35
  5. Step 5: Solve for x
    x = 37,921,028.35/7,082.79
  6. Step 6: Final answer
    x = 5,353.97

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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.