Home / 7,428.62-10,251.20-4,442.67

Finding the Fourth Proportional to 7,428.62, 10,251.20 and 4,442.67

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Solution

The fourth proportional to 7,428.62, 10,251.20 and 4,442.67 is: 6,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.62 : 10,251.20 = 4,442.67 : x
  2. Step 2: Convert to fraction form
    7,428.62/10,251.20 = 4,442.67/x
  3. Step 3: Cross multiply
    7,428.62x = 10,251.20 × 4,442.67
  4. Step 4: Simplify right side
    7,428.62x = 45,542,676.49
  5. Step 5: Solve for x
    x = 45,542,676.49/7,428.62
  6. Step 6: Final answer
    x = 6,130.71

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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.