Home / 3,476.12-5,216.00-2,779.92

Finding the Fourth Proportional to 3,476.12, 5,216.00 and 2,779.92

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Solution

The fourth proportional to 3,476.12, 5,216.00 and 2,779.92 is: 4,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.12 : 5,216.00 = 2,779.92 : x
  2. Step 2: Convert to fraction form
    3,476.12/5,216.00 = 2,779.92/x
  3. Step 3: Cross multiply
    3,476.12x = 5,216.00 × 2,779.92
  4. Step 4: Simplify right side
    3,476.12x = 14,500,048.82
  5. Step 5: Solve for x
    x = 14,500,048.82/3,476.12
  6. Step 6: Final answer
    x = 4,171.34

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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.