Home / 6,580.38-9,081.20-3,785.88

Finding the Fourth Proportional to 6,580.38, 9,081.20 and 3,785.88

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Solution

The fourth proportional to 6,580.38, 9,081.20 and 3,785.88 is: 5,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.38 : 9,081.20 = 3,785.88 : x
  2. Step 2: Convert to fraction form
    6,580.38/9,081.20 = 3,785.88/x
  3. Step 3: Cross multiply
    6,580.38x = 9,081.20 × 3,785.88
  4. Step 4: Simplify right side
    6,580.38x = 34,380,333.46
  5. Step 5: Solve for x
    x = 34,380,333.46/6,580.38
  6. Step 6: Final answer
    x = 5,224.67

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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.