Home / 7,375.89-10,178.49-4,391.04

Finding the Fourth Proportional to 7,375.89, 10,178.49 and 4,391.04

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Solution

The fourth proportional to 7,375.89, 10,178.49 and 4,391.04 is: 6,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.89 : 10,178.49 = 4,391.04 : x
  2. Step 2: Convert to fraction form
    7,375.89/10,178.49 = 4,391.04/x
  3. Step 3: Cross multiply
    7,375.89x = 10,178.49 × 4,391.04
  4. Step 4: Simplify right side
    7,375.89x = 44,694,156.73
  5. Step 5: Solve for x
    x = 44,694,156.73/7,375.89
  6. Step 6: Final answer
    x = 6,059.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.