Home / 3,581.58-4,935.91-3,223.76

Finding the Fourth Proportional to 3,581.58, 4,935.91 and 3,223.76

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Solution

The fourth proportional to 3,581.58, 4,935.91 and 3,223.76 is: 4,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.58 : 4,935.91 = 3,223.76 : x
  2. Step 2: Convert to fraction form
    3,581.58/4,935.91 = 3,223.76/x
  3. Step 3: Cross multiply
    3,581.58x = 4,935.91 × 3,223.76
  4. Step 4: Simplify right side
    3,581.58x = 15,912,193.50
  5. Step 5: Solve for x
    x = 15,912,193.50/3,581.58
  6. Step 6: Final answer
    x = 4,442.79

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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.