Home / 2,958.75-4,083.08-2,174.27

Finding the Fourth Proportional to 2,958.75, 4,083.08 and 2,174.27

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Solution

The fourth proportional to 2,958.75, 4,083.08 and 2,174.27 is: 3,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.75 : 4,083.08 = 2,174.27 : x
  2. Step 2: Convert to fraction form
    2,958.75/4,083.08 = 2,174.27/x
  3. Step 3: Cross multiply
    2,958.75x = 4,083.08 × 2,174.27
  4. Step 4: Simplify right side
    2,958.75x = 8,877,687.06
  5. Step 5: Solve for x
    x = 8,877,687.06/2,958.75
  6. Step 6: Final answer
    x = 3,000.49

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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.