Home / 5,759.60-8,639.38-2,470.56

Finding the Fourth Proportional to 5,759.60, 8,639.38 and 2,470.56

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Solution

The fourth proportional to 5,759.60, 8,639.38 and 2,470.56 is: 3,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.60 : 8,639.38 = 2,470.56 : x
  2. Step 2: Convert to fraction form
    5,759.60/8,639.38 = 2,470.56/x
  3. Step 3: Cross multiply
    5,759.60x = 8,639.38 × 2,470.56
  4. Step 4: Simplify right side
    5,759.60x = 21,344,106.65
  5. Step 5: Solve for x
    x = 21,344,106.65/5,759.60
  6. Step 6: Final answer
    x = 3,705.83

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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.