Home / 4,664.72-6,990.92-3,426.32

Finding the Fourth Proportional to 4,664.72, 6,990.92 and 3,426.32

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Solution

The fourth proportional to 4,664.72, 6,990.92 and 3,426.32 is: 5,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.72 : 6,990.92 = 3,426.32 : x
  2. Step 2: Convert to fraction form
    4,664.72/6,990.92 = 3,426.32/x
  3. Step 3: Cross multiply
    4,664.72x = 6,990.92 × 3,426.32
  4. Step 4: Simplify right side
    4,664.72x = 23,953,129.01
  5. Step 5: Solve for x
    x = 23,953,129.01/4,664.72
  6. Step 6: Final answer
    x = 5,134.96

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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.