Home / 5,716.52-7,888.74-3,622.36

Finding the Fourth Proportional to 5,716.52, 7,888.74 and 3,622.36

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Solution

The fourth proportional to 5,716.52, 7,888.74 and 3,622.36 is: 4,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.52 : 7,888.74 = 3,622.36 : x
  2. Step 2: Convert to fraction form
    5,716.52/7,888.74 = 3,622.36/x
  3. Step 3: Cross multiply
    5,716.52x = 7,888.74 × 3,622.36
  4. Step 4: Simplify right side
    5,716.52x = 28,575,856.23
  5. Step 5: Solve for x
    x = 28,575,856.23/5,716.52
  6. Step 6: Final answer
    x = 4,998.82

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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.