Home / 3,185.11-4,394.76-1,925.91

Finding the Fourth Proportional to 3,185.11, 4,394.76 and 1,925.91

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Solution

The fourth proportional to 3,185.11, 4,394.76 and 1,925.91 is: 2,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.11 : 4,394.76 = 1,925.91 : x
  2. Step 2: Convert to fraction form
    3,185.11/4,394.76 = 1,925.91/x
  3. Step 3: Cross multiply
    3,185.11x = 4,394.76 × 1,925.91
  4. Step 4: Simplify right side
    3,185.11x = 8,463,912.23
  5. Step 5: Solve for x
    x = 8,463,912.23/3,185.11
  6. Step 6: Final answer
    x = 2,657.34

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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.