Home / 4,975.20-7,461.78-2,509.44

Finding the Fourth Proportional to 4,975.20, 7,461.78 and 2,509.44

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Solution

The fourth proportional to 4,975.20, 7,461.78 and 2,509.44 is: 3,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.20 : 7,461.78 = 2,509.44 : x
  2. Step 2: Convert to fraction form
    4,975.20/7,461.78 = 2,509.44/x
  3. Step 3: Cross multiply
    4,975.20x = 7,461.78 × 2,509.44
  4. Step 4: Simplify right side
    4,975.20x = 18,724,889.20
  5. Step 5: Solve for x
    x = 18,724,889.20/4,975.20
  6. Step 6: Final answer
    x = 3,763.65

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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.