Home / 2,577.69-3,553.26-1,581.12

Finding the Fourth Proportional to 2,577.69, 3,553.26 and 1,581.12

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Solution

The fourth proportional to 2,577.69, 3,553.26 and 1,581.12 is: 2,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.69 : 3,553.26 = 1,581.12 : x
  2. Step 2: Convert to fraction form
    2,577.69/3,553.26 = 1,581.12/x
  3. Step 3: Cross multiply
    2,577.69x = 3,553.26 × 1,581.12
  4. Step 4: Simplify right side
    2,577.69x = 5,618,130.45
  5. Step 5: Solve for x
    x = 5,618,130.45/2,577.69
  6. Step 6: Final answer
    x = 2,179.52

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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.