Home / 4,082.65-5,621.33-3,418.04

Finding the Fourth Proportional to 4,082.65, 5,621.33 and 3,418.04

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Solution

The fourth proportional to 4,082.65, 5,621.33 and 3,418.04 is: 4,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.65 : 5,621.33 = 3,418.04 : x
  2. Step 2: Convert to fraction form
    4,082.65/5,621.33 = 3,418.04/x
  3. Step 3: Cross multiply
    4,082.65x = 5,621.33 × 3,418.04
  4. Step 4: Simplify right side
    4,082.65x = 19,213,953.39
  5. Step 5: Solve for x
    x = 19,213,953.39/4,082.65
  6. Step 6: Final answer
    x = 4,706.25

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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.