Home / 4,158.86-6,239.18-1,936.04

Finding the Fourth Proportional to 4,158.86, 6,239.18 and 1,936.04

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Solution

The fourth proportional to 4,158.86, 6,239.18 and 1,936.04 is: 2,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.86 : 6,239.18 = 1,936.04 : x
  2. Step 2: Convert to fraction form
    4,158.86/6,239.18 = 1,936.04/x
  3. Step 3: Cross multiply
    4,158.86x = 6,239.18 × 1,936.04
  4. Step 4: Simplify right side
    4,158.86x = 12,079,275.69
  5. Step 5: Solve for x
    x = 12,079,275.69/4,158.86
  6. Step 6: Final answer
    x = 2,904.47

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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.