Home / 5,253.07-7,879.89-2,132.62

Finding the Fourth Proportional to 5,253.07, 7,879.89 and 2,132.62

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Solution

The fourth proportional to 5,253.07, 7,879.89 and 2,132.62 is: 3,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.07 : 7,879.89 = 2,132.62 : x
  2. Step 2: Convert to fraction form
    5,253.07/7,879.89 = 2,132.62/x
  3. Step 3: Cross multiply
    5,253.07x = 7,879.89 × 2,132.62
  4. Step 4: Simplify right side
    5,253.07x = 16,804,811.01
  5. Step 5: Solve for x
    x = 16,804,811.01/5,253.07
  6. Step 6: Final answer
    x = 3,199.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.