Home / 3,172.19-4,759.01-1,711.31

Finding the Fourth Proportional to 3,172.19, 4,759.01 and 1,711.31

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Solution

The fourth proportional to 3,172.19, 4,759.01 and 1,711.31 is: 2,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.19 : 4,759.01 = 1,711.31 : x
  2. Step 2: Convert to fraction form
    3,172.19/4,759.01 = 1,711.31/x
  3. Step 3: Cross multiply
    3,172.19x = 4,759.01 × 1,711.31
  4. Step 4: Simplify right side
    3,172.19x = 8,144,132.85
  5. Step 5: Solve for x
    x = 8,144,132.85/3,172.19
  6. Step 6: Final answer
    x = 2,567.35

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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.