Home / 1,184.82-1,633.68-974.22

Finding the Fourth Proportional to 1,184.82, 1,633.68 and 974.22

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Solution

The fourth proportional to 1,184.82, 1,633.68 and 974.22 is: 1,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.82 : 1,633.68 = 974.22 : x
  2. Step 2: Convert to fraction form
    1,184.82/1,633.68 = 974.22/x
  3. Step 3: Cross multiply
    1,184.82x = 1,633.68 × 974.22
  4. Step 4: Simplify right side
    1,184.82x = 1,591,563.73
  5. Step 5: Solve for x
    x = 1,591,563.73/1,184.82
  6. Step 6: Final answer
    x = 1,343.30

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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.