Home / 4,954.61-7,422.28-2,756.68

Finding the Fourth Proportional to 4,954.61, 7,422.28 and 2,756.68

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Solution

The fourth proportional to 4,954.61, 7,422.28 and 2,756.68 is: 4,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.61 : 7,422.28 = 2,756.68 : x
  2. Step 2: Convert to fraction form
    4,954.61/7,422.28 = 2,756.68/x
  3. Step 3: Cross multiply
    4,954.61x = 7,422.28 × 2,756.68
  4. Step 4: Simplify right side
    4,954.61x = 20,460,850.83
  5. Step 5: Solve for x
    x = 20,460,850.83/4,954.61
  6. Step 6: Final answer
    x = 4,129.66

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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.