Home / 5,759.46-8,639.67-2,471.76

Finding the Fourth Proportional to 5,759.46, 8,639.67 and 2,471.76

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Solution

The fourth proportional to 5,759.46, 8,639.67 and 2,471.76 is: 3,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.46 : 8,639.67 = 2,471.76 : x
  2. Step 2: Convert to fraction form
    5,759.46/8,639.67 = 2,471.76/x
  3. Step 3: Cross multiply
    5,759.46x = 8,639.67 × 2,471.76
  4. Step 4: Simplify right side
    5,759.46x = 21,355,190.72
  5. Step 5: Solve for x
    x = 21,355,190.72/5,759.46
  6. Step 6: Final answer
    x = 3,707.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.