Home / 3,775.28-5,209.25-2,283.12

Finding the Fourth Proportional to 3,775.28, 5,209.25 and 2,283.12

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Solution

The fourth proportional to 3,775.28, 5,209.25 and 2,283.12 is: 3,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.28 : 5,209.25 = 2,283.12 : x
  2. Step 2: Convert to fraction form
    3,775.28/5,209.25 = 2,283.12/x
  3. Step 3: Cross multiply
    3,775.28x = 5,209.25 × 2,283.12
  4. Step 4: Simplify right side
    3,775.28x = 11,893,331.44
  5. Step 5: Solve for x
    x = 11,893,331.44/3,775.28
  6. Step 6: Final answer
    x = 3,150.32

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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.