Home / 5,631.59-7,772.21-3,241.67

Finding the Fourth Proportional to 5,631.59, 7,772.21 and 3,241.67

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Solution

The fourth proportional to 5,631.59, 7,772.21 and 3,241.67 is: 4,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.59 : 7,772.21 = 3,241.67 : x
  2. Step 2: Convert to fraction form
    5,631.59/7,772.21 = 3,241.67/x
  3. Step 3: Cross multiply
    5,631.59x = 7,772.21 × 3,241.67
  4. Step 4: Simplify right side
    5,631.59x = 25,194,939.99
  5. Step 5: Solve for x
    x = 25,194,939.99/5,631.59
  6. Step 6: Final answer
    x = 4,473.86

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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.