Home / 5,106.62-7,658.04-1,818.84

Finding the Fourth Proportional to 5,106.62, 7,658.04 and 1,818.84

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Solution

The fourth proportional to 5,106.62, 7,658.04 and 1,818.84 is: 2,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.62 : 7,658.04 = 1,818.84 : x
  2. Step 2: Convert to fraction form
    5,106.62/7,658.04 = 1,818.84/x
  3. Step 3: Cross multiply
    5,106.62x = 7,658.04 × 1,818.84
  4. Step 4: Simplify right side
    5,106.62x = 13,928,749.47
  5. Step 5: Solve for x
    x = 13,928,749.47/5,106.62
  6. Step 6: Final answer
    x = 2,727.59

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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.