Home / 7,555.14-10,425.60-4,197.78

Finding the Fourth Proportional to 7,555.14, 10,425.60 and 4,197.78

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Solution

The fourth proportional to 7,555.14, 10,425.60 and 4,197.78 is: 5,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.14 : 10,425.60 = 4,197.78 : x
  2. Step 2: Convert to fraction form
    7,555.14/10,425.60 = 4,197.78/x
  3. Step 3: Cross multiply
    7,555.14x = 10,425.60 × 4,197.78
  4. Step 4: Simplify right side
    7,555.14x = 43,764,375.17
  5. Step 5: Solve for x
    x = 43,764,375.17/7,555.14
  6. Step 6: Final answer
    x = 5,792.66

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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.