Home / 7,388.34-11,074.02-3,225.78

Finding the Fourth Proportional to 7,388.34, 11,074.02 and 3,225.78

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Solution

The fourth proportional to 7,388.34, 11,074.02 and 3,225.78 is: 4,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.34 : 11,074.02 = 3,225.78 : x
  2. Step 2: Convert to fraction form
    7,388.34/11,074.02 = 3,225.78/x
  3. Step 3: Cross multiply
    7,388.34x = 11,074.02 × 3,225.78
  4. Step 4: Simplify right side
    7,388.34x = 35,722,352.24
  5. Step 5: Solve for x
    x = 35,722,352.24/7,388.34
  6. Step 6: Final answer
    x = 4,834.96

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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.