Home / 3,455.49-4,767.81-2,195.04

Finding the Fourth Proportional to 3,455.49, 4,767.81 and 2,195.04

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Solution

The fourth proportional to 3,455.49, 4,767.81 and 2,195.04 is: 3,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.49 : 4,767.81 = 2,195.04 : x
  2. Step 2: Convert to fraction form
    3,455.49/4,767.81 = 2,195.04/x
  3. Step 3: Cross multiply
    3,455.49x = 4,767.81 × 2,195.04
  4. Step 4: Simplify right side
    3,455.49x = 10,465,533.66
  5. Step 5: Solve for x
    x = 10,465,533.66/3,455.49
  6. Step 6: Final answer
    x = 3,028.67

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1.5x scale

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.