Home / 3,862.16-5,329.78-2,093.78

Finding the Fourth Proportional to 3,862.16, 5,329.78 and 2,093.78

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Solution

The fourth proportional to 3,862.16, 5,329.78 and 2,093.78 is: 2,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.16 : 5,329.78 = 2,093.78 : x
  2. Step 2: Convert to fraction form
    3,862.16/5,329.78 = 2,093.78/x
  3. Step 3: Cross multiply
    3,862.16x = 5,329.78 × 2,093.78
  4. Step 4: Simplify right side
    3,862.16x = 11,159,394.86
  5. Step 5: Solve for x
    x = 11,159,394.86/3,862.16
  6. Step 6: Final answer
    x = 2,889.42

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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.