Home / 5,195.82-7,169.98-2,957.90

Finding the Fourth Proportional to 5,195.82, 7,169.98 and 2,957.90

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Solution

The fourth proportional to 5,195.82, 7,169.98 and 2,957.90 is: 4,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.82 : 7,169.98 = 2,957.90 : x
  2. Step 2: Convert to fraction form
    5,195.82/7,169.98 = 2,957.90/x
  3. Step 3: Cross multiply
    5,195.82x = 7,169.98 × 2,957.90
  4. Step 4: Simplify right side
    5,195.82x = 21,208,083.84
  5. Step 5: Solve for x
    x = 21,208,083.84/5,195.82
  6. Step 6: Final answer
    x = 4,081.76

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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.