Home / 10,367.81-15,551.72-3,790.41

Finding the Fourth Proportional to 10,367.81, 15,551.72 and 3,790.41

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Solution

The fourth proportional to 10,367.81, 15,551.72 and 3,790.41 is: 5,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.81 : 15,551.72 = 3,790.41 : x
  2. Step 2: Convert to fraction form
    10,367.81/15,551.72 = 3,790.41/x
  3. Step 3: Cross multiply
    10,367.81x = 15,551.72 × 3,790.41
  4. Step 4: Simplify right side
    10,367.81x = 58,947,395.01
  5. Step 5: Solve for x
    x = 58,947,395.01/10,367.81
  6. Step 6: Final answer
    x = 5,685.62

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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.