Home / 5,620.93-7,757.13-3,231.67

Finding the Fourth Proportional to 5,620.93, 7,757.13 and 3,231.67

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Solution

The fourth proportional to 5,620.93, 7,757.13 and 3,231.67 is: 4,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.93 : 7,757.13 = 3,231.67 : x
  2. Step 2: Convert to fraction form
    5,620.93/7,757.13 = 3,231.67/x
  3. Step 3: Cross multiply
    5,620.93x = 7,757.13 × 3,231.67
  4. Step 4: Simplify right side
    5,620.93x = 25,068,491.58
  5. Step 5: Solve for x
    x = 25,068,491.58/5,620.93
  6. Step 6: Final answer
    x = 4,459.85

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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.