Home / 4,720.11-7,082.39-2,255.68

Finding the Fourth Proportional to 4,720.11, 7,082.39 and 2,255.68

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Solution

The fourth proportional to 4,720.11, 7,082.39 and 2,255.68 is: 3,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.11 : 7,082.39 = 2,255.68 : x
  2. Step 2: Convert to fraction form
    4,720.11/7,082.39 = 2,255.68/x
  3. Step 3: Cross multiply
    4,720.11x = 7,082.39 × 2,255.68
  4. Step 4: Simplify right side
    4,720.11x = 15,975,605.48
  5. Step 5: Solve for x
    x = 15,975,605.48/4,720.11
  6. Step 6: Final answer
    x = 3,384.58

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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.