Home / 2,577.38-3,866.36-1,932.21

Finding the Fourth Proportional to 2,577.38, 3,866.36 and 1,932.21

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Solution

The fourth proportional to 2,577.38, 3,866.36 and 1,932.21 is: 2,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.38 : 3,866.36 = 1,932.21 : x
  2. Step 2: Convert to fraction form
    2,577.38/3,866.36 = 1,932.21/x
  3. Step 3: Cross multiply
    2,577.38x = 3,866.36 × 1,932.21
  4. Step 4: Simplify right side
    2,577.38x = 7,470,609.79
  5. Step 5: Solve for x
    x = 7,470,609.79/2,577.38
  6. Step 6: Final answer
    x = 2,898.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.