Home / 5,082.05-7,621.45-2,616.55

Finding the Fourth Proportional to 5,082.05, 7,621.45 and 2,616.55

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Solution

The fourth proportional to 5,082.05, 7,621.45 and 2,616.55 is: 3,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.05 : 7,621.45 = 2,616.55 : x
  2. Step 2: Convert to fraction form
    5,082.05/7,621.45 = 2,616.55/x
  3. Step 3: Cross multiply
    5,082.05x = 7,621.45 × 2,616.55
  4. Step 4: Simplify right side
    5,082.05x = 19,941,905.00
  5. Step 5: Solve for x
    x = 19,941,905.00/5,082.05
  6. Step 6: Final answer
    x = 3,923.99

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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.