Home / 3,111.03-4,666.39-1,163.08

Finding the Fourth Proportional to 3,111.03, 4,666.39 and 1,163.08

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Solution

The fourth proportional to 3,111.03, 4,666.39 and 1,163.08 is: 1,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.03 : 4,666.39 = 1,163.08 : x
  2. Step 2: Convert to fraction form
    3,111.03/4,666.39 = 1,163.08/x
  3. Step 3: Cross multiply
    3,111.03x = 4,666.39 × 1,163.08
  4. Step 4: Simplify right side
    3,111.03x = 5,427,384.88
  5. Step 5: Solve for x
    x = 5,427,384.88/3,111.03
  6. Step 6: Final answer
    x = 1,744.56

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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.