Home / 5,876.28-8,109.21-3,223.70

Finding the Fourth Proportional to 5,876.28, 8,109.21 and 3,223.70

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Solution

The fourth proportional to 5,876.28, 8,109.21 and 3,223.70 is: 4,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.28 : 8,109.21 = 3,223.70 : x
  2. Step 2: Convert to fraction form
    5,876.28/8,109.21 = 3,223.70/x
  3. Step 3: Cross multiply
    5,876.28x = 8,109.21 × 3,223.70
  4. Step 4: Simplify right side
    5,876.28x = 26,141,619.73
  5. Step 5: Solve for x
    x = 26,141,619.73/5,876.28
  6. Step 6: Final answer
    x = 4,448.67

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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.