Home / 2,922.24-4,032-2,134.92

Finding the Fourth Proportional to 2,922.24, 4,032 and 2,134.92

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Solution

The fourth proportional to 2,922.24, 4,032 and 2,134.92 is: 2,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.24 : 4,032 = 2,134.92 : x
  2. Step 2: Convert to fraction form
    2,922.24/4,032 = 2,134.92/x
  3. Step 3: Cross multiply
    2,922.24x = 4,032 × 2,134.92
  4. Step 4: Simplify right side
    2,922.24x = 8,607,997.44
  5. Step 5: Solve for x
    x = 8,607,997.44/2,922.24
  6. Step 6: Final answer
    x = 2,945.68

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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.