Home / 4,926.78-7,391.52-2,458.62

Finding the Fourth Proportional to 4,926.78, 7,391.52 and 2,458.62

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Solution

The fourth proportional to 4,926.78, 7,391.52 and 2,458.62 is: 3,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.78 : 7,391.52 = 2,458.62 : x
  2. Step 2: Convert to fraction form
    4,926.78/7,391.52 = 2,458.62/x
  3. Step 3: Cross multiply
    4,926.78x = 7,391.52 × 2,458.62
  4. Step 4: Simplify right side
    4,926.78x = 18,172,938.90
  5. Step 5: Solve for x
    x = 18,172,938.90/4,926.78
  6. Step 6: Final answer
    x = 3,688.60

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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.