Home / 6,276.54-8,661.90-3,759.06

Finding the Fourth Proportional to 6,276.54, 8,661.90 and 3,759.06

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Solution

The fourth proportional to 6,276.54, 8,661.90 and 3,759.06 is: 5,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.54 : 8,661.90 = 3,759.06 : x
  2. Step 2: Convert to fraction form
    6,276.54/8,661.90 = 3,759.06/x
  3. Step 3: Cross multiply
    6,276.54x = 8,661.90 × 3,759.06
  4. Step 4: Simplify right side
    6,276.54x = 32,560,601.81
  5. Step 5: Solve for x
    x = 32,560,601.81/6,276.54
  6. Step 6: Final answer
    x = 5,187.67

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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.