Home / 5,202.19-7,806.36-1,917.59

Finding the Fourth Proportional to 5,202.19, 7,806.36 and 1,917.59

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Solution

The fourth proportional to 5,202.19, 7,806.36 and 1,917.59 is: 2,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.19 : 7,806.36 = 1,917.59 : x
  2. Step 2: Convert to fraction form
    5,202.19/7,806.36 = 1,917.59/x
  3. Step 3: Cross multiply
    5,202.19x = 7,806.36 × 1,917.59
  4. Step 4: Simplify right side
    5,202.19x = 14,969,397.87
  5. Step 5: Solve for x
    x = 14,969,397.87/5,202.19
  6. Step 6: Final answer
    x = 2,877.52

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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.