Home / 6,272.87-8,655.57-3,619.77

Finding the Fourth Proportional to 6,272.87, 8,655.57 and 3,619.77

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Solution

The fourth proportional to 6,272.87, 8,655.57 and 3,619.77 is: 4,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.87 : 8,655.57 = 3,619.77 : x
  2. Step 2: Convert to fraction form
    6,272.87/8,655.57 = 3,619.77/x
  3. Step 3: Cross multiply
    6,272.87x = 8,655.57 × 3,619.77
  4. Step 4: Simplify right side
    6,272.87x = 31,331,140.16
  5. Step 5: Solve for x
    x = 31,331,140.16/6,272.87
  6. Step 6: Final answer
    x = 4,994.71

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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.