Home / 1,169.43-1,612.22-1,167.27

Finding the Fourth Proportional to 1,169.43, 1,612.22 and 1,167.27

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Solution

The fourth proportional to 1,169.43, 1,612.22 and 1,167.27 is: 1,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.43 : 1,612.22 = 1,167.27 : x
  2. Step 2: Convert to fraction form
    1,169.43/1,612.22 = 1,167.27/x
  3. Step 3: Cross multiply
    1,169.43x = 1,612.22 × 1,167.27
  4. Step 4: Simplify right side
    1,169.43x = 1,881,890.20
  5. Step 5: Solve for x
    x = 1,881,890.20/1,169.43
  6. Step 6: Final answer
    x = 1,609.24

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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.