Home / 4,920.04-7,381.14-2,731.96

Finding the Fourth Proportional to 4,920.04, 7,381.14 and 2,731.96

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Solution

The fourth proportional to 4,920.04, 7,381.14 and 2,731.96 is: 4,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.04 : 7,381.14 = 2,731.96 : x
  2. Step 2: Convert to fraction form
    4,920.04/7,381.14 = 2,731.96/x
  3. Step 3: Cross multiply
    4,920.04x = 7,381.14 × 2,731.96
  4. Step 4: Simplify right side
    4,920.04x = 20,164,979.23
  5. Step 5: Solve for x
    x = 20,164,979.23/4,920.04
  6. Step 6: Final answer
    x = 4,098.54

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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.