Home / 4,148.09-5,724.78-2,380.25

Finding the Fourth Proportional to 4,148.09, 5,724.78 and 2,380.25

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Solution

The fourth proportional to 4,148.09, 5,724.78 and 2,380.25 is: 3,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.09 : 5,724.78 = 2,380.25 : x
  2. Step 2: Convert to fraction form
    4,148.09/5,724.78 = 2,380.25/x
  3. Step 3: Cross multiply
    4,148.09x = 5,724.78 × 2,380.25
  4. Step 4: Simplify right side
    4,148.09x = 13,626,407.60
  5. Step 5: Solve for x
    x = 13,626,407.60/4,148.09
  6. Step 6: Final answer
    x = 3,284.98

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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.