Home / 1,932.93-2,882.41-1,915.38

Finding the Fourth Proportional to 1,932.93, 2,882.41 and 1,915.38

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Solution

The fourth proportional to 1,932.93, 2,882.41 and 1,915.38 is: 2,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.93 : 2,882.41 = 1,915.38 : x
  2. Step 2: Convert to fraction form
    1,932.93/2,882.41 = 1,915.38/x
  3. Step 3: Cross multiply
    1,932.93x = 2,882.41 × 1,915.38
  4. Step 4: Simplify right side
    1,932.93x = 5,520,910.47
  5. Step 5: Solve for x
    x = 5,520,910.47/1,932.93
  6. Step 6: Final answer
    x = 2,856.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.