Home / 3,211.12-4,808.94-1,746.64

Finding the Fourth Proportional to 3,211.12, 4,808.94 and 1,746.64

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Solution

The fourth proportional to 3,211.12, 4,808.94 and 1,746.64 is: 2,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.12 : 4,808.94 = 1,746.64 : x
  2. Step 2: Convert to fraction form
    3,211.12/4,808.94 = 1,746.64/x
  3. Step 3: Cross multiply
    3,211.12x = 4,808.94 × 1,746.64
  4. Step 4: Simplify right side
    3,211.12x = 8,399,486.96
  5. Step 5: Solve for x
    x = 8,399,486.96/3,211.12
  6. Step 6: Final answer
    x = 2,615.75

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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.