Home / 4,148.46-5,724.39-2,380.65

Finding the Fourth Proportional to 4,148.46, 5,724.39 and 2,380.65

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Solution

The fourth proportional to 4,148.46, 5,724.39 and 2,380.65 is: 3,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.46 : 5,724.39 = 2,380.65 : x
  2. Step 2: Convert to fraction form
    4,148.46/5,724.39 = 2,380.65/x
  3. Step 3: Cross multiply
    4,148.46x = 5,724.39 × 2,380.65
  4. Step 4: Simplify right side
    4,148.46x = 13,627,769.05
  5. Step 5: Solve for x
    x = 13,627,769.05/4,148.46
  6. Step 6: Final answer
    x = 3,285.02

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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.