Home / 3,421.71-5,125.41-1,773.27

Finding the Fourth Proportional to 3,421.71, 5,125.41 and 1,773.27

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Solution

The fourth proportional to 3,421.71, 5,125.41 and 1,773.27 is: 2,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.71 : 5,125.41 = 1,773.27 : x
  2. Step 2: Convert to fraction form
    3,421.71/5,125.41 = 1,773.27/x
  3. Step 3: Cross multiply
    3,421.71x = 5,125.41 × 1,773.27
  4. Step 4: Simplify right side
    3,421.71x = 9,088,735.79
  5. Step 5: Solve for x
    x = 9,088,735.79/3,421.71
  6. Step 6: Final answer
    x = 2,656.20

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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.