Home / 5,218.55-7,828.73-2,296.77

Finding the Fourth Proportional to 5,218.55, 7,828.73 and 2,296.77

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Solution

The fourth proportional to 5,218.55, 7,828.73 and 2,296.77 is: 3,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.55 : 7,828.73 = 2,296.77 : x
  2. Step 2: Convert to fraction form
    5,218.55/7,828.73 = 2,296.77/x
  3. Step 3: Cross multiply
    5,218.55x = 7,828.73 × 2,296.77
  4. Step 4: Simplify right side
    5,218.55x = 17,980,780.72
  5. Step 5: Solve for x
    x = 17,980,780.72/5,218.55
  6. Step 6: Final answer
    x = 3,445.55

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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.