Home / 3,835.48-5,292.94-2,156.92

Finding the Fourth Proportional to 3,835.48, 5,292.94 and 2,156.92

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Solution

The fourth proportional to 3,835.48, 5,292.94 and 2,156.92 is: 2,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.48 : 5,292.94 = 2,156.92 : x
  2. Step 2: Convert to fraction form
    3,835.48/5,292.94 = 2,156.92/x
  3. Step 3: Cross multiply
    3,835.48x = 5,292.94 × 2,156.92
  4. Step 4: Simplify right side
    3,835.48x = 11,416,448.14
  5. Step 5: Solve for x
    x = 11,416,448.14/3,835.48
  6. Step 6: Final answer
    x = 2,976.54

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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.