Home / 7,213.08-10,824.48-2,830.02

Finding the Fourth Proportional to 7,213.08, 10,824.48 and 2,830.02

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Solution

The fourth proportional to 7,213.08, 10,824.48 and 2,830.02 is: 4,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.08 : 10,824.48 = 2,830.02 : x
  2. Step 2: Convert to fraction form
    7,213.08/10,824.48 = 2,830.02/x
  3. Step 3: Cross multiply
    7,213.08x = 10,824.48 × 2,830.02
  4. Step 4: Simplify right side
    7,213.08x = 30,633,494.89
  5. Step 5: Solve for x
    x = 30,633,494.89/7,213.08
  6. Step 6: Final answer
    x = 4,246.94

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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.