Home / 2,813.18-3,882.65-1,634.93

Finding the Fourth Proportional to 2,813.18, 3,882.65 and 1,634.93

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Solution

The fourth proportional to 2,813.18, 3,882.65 and 1,634.93 is: 2,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.18 : 3,882.65 = 1,634.93 : x
  2. Step 2: Convert to fraction form
    2,813.18/3,882.65 = 1,634.93/x
  3. Step 3: Cross multiply
    2,813.18x = 3,882.65 × 1,634.93
  4. Step 4: Simplify right side
    2,813.18x = 6,347,833.38
  5. Step 5: Solve for x
    x = 6,347,833.38/2,813.18
  6. Step 6: Final answer
    x = 2,256.47

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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.