Home / 2,736.12-3,775.92-1,557.48

Finding the Fourth Proportional to 2,736.12, 3,775.92 and 1,557.48

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Solution

The fourth proportional to 2,736.12, 3,775.92 and 1,557.48 is: 2,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.12 : 3,775.92 = 1,557.48 : x
  2. Step 2: Convert to fraction form
    2,736.12/3,775.92 = 1,557.48/x
  3. Step 3: Cross multiply
    2,736.12x = 3,775.92 × 1,557.48
  4. Step 4: Simplify right side
    2,736.12x = 5,880,919.88
  5. Step 5: Solve for x
    x = 5,880,919.88/2,736.12
  6. Step 6: Final answer
    x = 2,149.36

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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.