Home / 5,082.65-7,618.51-3,322.11

Finding the Fourth Proportional to 5,082.65, 7,618.51 and 3,322.11

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Solution

The fourth proportional to 5,082.65, 7,618.51 and 3,322.11 is: 4,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.65 : 7,618.51 = 3,322.11 : x
  2. Step 2: Convert to fraction form
    5,082.65/7,618.51 = 3,322.11/x
  3. Step 3: Cross multiply
    5,082.65x = 7,618.51 × 3,322.11
  4. Step 4: Simplify right side
    5,082.65x = 25,309,542.29
  5. Step 5: Solve for x
    x = 25,309,542.29/5,082.65
  6. Step 6: Final answer
    x = 4,979.60

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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.