Home / 5,193.41-7,785.50-1,905.75

Finding the Fourth Proportional to 5,193.41, 7,785.50 and 1,905.75

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Solution

The fourth proportional to 5,193.41, 7,785.50 and 1,905.75 is: 2,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.41 : 7,785.50 = 1,905.75 : x
  2. Step 2: Convert to fraction form
    5,193.41/7,785.50 = 1,905.75/x
  3. Step 3: Cross multiply
    5,193.41x = 7,785.50 × 1,905.75
  4. Step 4: Simplify right side
    5,193.41x = 14,837,207.10
  5. Step 5: Solve for x
    x = 14,837,207.10/5,193.41
  6. Step 6: Final answer
    x = 2,856.93

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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.