Home / 4,148.92-5,724.86-2,380.28

Finding the Fourth Proportional to 4,148.92, 5,724.86 and 2,380.28

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Solution

The fourth proportional to 4,148.92, 5,724.86 and 2,380.28 is: 3,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.92 : 5,724.86 = 2,380.28 : x
  2. Step 2: Convert to fraction form
    4,148.92/5,724.86 = 2,380.28/x
  3. Step 3: Cross multiply
    4,148.92x = 5,724.86 × 2,380.28
  4. Step 4: Simplify right side
    4,148.92x = 13,626,769.76
  5. Step 5: Solve for x
    x = 13,626,769.76/4,148.92
  6. Step 6: Final answer
    x = 3,284.41

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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.