Home / 3,166.60-4,749.90-1,708.60

Finding the Fourth Proportional to 3,166.60, 4,749.90 and 1,708.60

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Solution

The fourth proportional to 3,166.60, 4,749.90 and 1,708.60 is: 2,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.60 : 4,749.90 = 1,708.60 : x
  2. Step 2: Convert to fraction form
    3,166.60/4,749.90 = 1,708.60/x
  3. Step 3: Cross multiply
    3,166.60x = 4,749.90 × 1,708.60
  4. Step 4: Simplify right side
    3,166.60x = 8,115,679.14
  5. Step 5: Solve for x
    x = 8,115,679.14/3,166.60
  6. Step 6: Final answer
    x = 2,562.90

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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.