Home / 3,405.64-5,103.66-2,709.22

Finding the Fourth Proportional to 3,405.64, 5,103.66 and 2,709.22

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Solution

The fourth proportional to 3,405.64, 5,103.66 and 2,709.22 is: 4,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.64 : 5,103.66 = 2,709.22 : x
  2. Step 2: Convert to fraction form
    3,405.64/5,103.66 = 2,709.22/x
  3. Step 3: Cross multiply
    3,405.64x = 5,103.66 × 2,709.22
  4. Step 4: Simplify right side
    3,405.64x = 13,826,937.75
  5. Step 5: Solve for x
    x = 13,826,937.75/3,405.64
  6. Step 6: Final answer
    x = 4,060.01

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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.