Home / 4,108.76-5,670.11-2,340.33

Finding the Fourth Proportional to 4,108.76, 5,670.11 and 2,340.33

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Solution

The fourth proportional to 4,108.76, 5,670.11 and 2,340.33 is: 3,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.76 : 5,670.11 = 2,340.33 : x
  2. Step 2: Convert to fraction form
    4,108.76/5,670.11 = 2,340.33/x
  3. Step 3: Cross multiply
    4,108.76x = 5,670.11 × 2,340.33
  4. Step 4: Simplify right side
    4,108.76x = 13,269,928.54
  5. Step 5: Solve for x
    x = 13,269,928.54/4,108.76
  6. Step 6: Final answer
    x = 3,229.67

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Half scale
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Double scale
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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.