Home / 3,925.06-5,416.56-2,132.52

Finding the Fourth Proportional to 3,925.06, 5,416.56 and 2,132.52

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Solution

The fourth proportional to 3,925.06, 5,416.56 and 2,132.52 is: 2,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.06 : 5,416.56 = 2,132.52 : x
  2. Step 2: Convert to fraction form
    3,925.06/5,416.56 = 2,132.52/x
  3. Step 3: Cross multiply
    3,925.06x = 5,416.56 × 2,132.52
  4. Step 4: Simplify right side
    3,925.06x = 11,550,922.53
  5. Step 5: Solve for x
    x = 11,550,922.53/3,925.06
  6. Step 6: Final answer
    x = 2,942.87

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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.