Home / 3,402.26-5,103.40-2,359.20

Finding the Fourth Proportional to 3,402.26, 5,103.40 and 2,359.20

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Solution

The fourth proportional to 3,402.26, 5,103.40 and 2,359.20 is: 3,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.26 : 5,103.40 = 2,359.20 : x
  2. Step 2: Convert to fraction form
    3,402.26/5,103.40 = 2,359.20/x
  3. Step 3: Cross multiply
    3,402.26x = 5,103.40 × 2,359.20
  4. Step 4: Simplify right side
    3,402.26x = 12,039,941.28
  5. Step 5: Solve for x
    x = 12,039,941.28/3,402.26
  6. Step 6: Final answer
    x = 3,538.81

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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.