Home / 2,922.57-4,380.60-1,167.12

Finding the Fourth Proportional to 2,922.57, 4,380.60 and 1,167.12

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Solution

The fourth proportional to 2,922.57, 4,380.60 and 1,167.12 is: 1,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.57 : 4,380.60 = 1,167.12 : x
  2. Step 2: Convert to fraction form
    2,922.57/4,380.60 = 1,167.12/x
  3. Step 3: Cross multiply
    2,922.57x = 4,380.60 × 1,167.12
  4. Step 4: Simplify right side
    2,922.57x = 5,112,683.68
  5. Step 5: Solve for x
    x = 5,112,683.68/2,922.57
  6. Step 6: Final answer
    x = 1,749.38

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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.