Home / 5,274.47-7,900.77-4,228.81

Finding the Fourth Proportional to 5,274.47, 7,900.77 and 4,228.81

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Solution

The fourth proportional to 5,274.47, 7,900.77 and 4,228.81 is: 6,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.47 : 7,900.77 = 4,228.81 : x
  2. Step 2: Convert to fraction form
    5,274.47/7,900.77 = 4,228.81/x
  3. Step 3: Cross multiply
    5,274.47x = 7,900.77 × 4,228.81
  4. Step 4: Simplify right side
    5,274.47x = 33,410,815.61
  5. Step 5: Solve for x
    x = 33,410,815.61/5,274.47
  6. Step 6: Final answer
    x = 6,334.44

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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.