Home / 4,123.67-6,185.30-1,351.64

Finding the Fourth Proportional to 4,123.67, 6,185.30 and 1,351.64

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Solution

The fourth proportional to 4,123.67, 6,185.30 and 1,351.64 is: 2,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.67 : 6,185.30 = 1,351.64 : x
  2. Step 2: Convert to fraction form
    4,123.67/6,185.30 = 1,351.64/x
  3. Step 3: Cross multiply
    4,123.67x = 6,185.30 × 1,351.64
  4. Step 4: Simplify right side
    4,123.67x = 8,360,307.60
  5. Step 5: Solve for x
    x = 8,360,307.60/4,123.67
  6. Step 6: Final answer
    x = 2,027.40

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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.