Home / 1,169.24-1,611.18-1,164.68

Finding the Fourth Proportional to 1,169.24, 1,611.18 and 1,164.68

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Solution

The fourth proportional to 1,169.24, 1,611.18 and 1,164.68 is: 1,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.24 : 1,611.18 = 1,164.68 : x
  2. Step 2: Convert to fraction form
    1,169.24/1,611.18 = 1,164.68/x
  3. Step 3: Cross multiply
    1,169.24x = 1,611.18 × 1,164.68
  4. Step 4: Simplify right side
    1,169.24x = 1,876,509.12
  5. Step 5: Solve for x
    x = 1,876,509.12/1,169.24
  6. Step 6: Final answer
    x = 1,604.90

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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.