Home / 3,925.88-5,417.39-2,246.90

Finding the Fourth Proportional to 3,925.88, 5,417.39 and 2,246.90

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Solution

The fourth proportional to 3,925.88, 5,417.39 and 2,246.90 is: 3,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.88 : 5,417.39 = 2,246.90 : x
  2. Step 2: Convert to fraction form
    3,925.88/5,417.39 = 2,246.90/x
  3. Step 3: Cross multiply
    3,925.88x = 5,417.39 × 2,246.90
  4. Step 4: Simplify right side
    3,925.88x = 12,172,314.43
  5. Step 5: Solve for x
    x = 12,172,314.43/3,925.88
  6. Step 6: Final answer
    x = 3,100.54

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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.