Home / 3,181.14-4,386.83-2,426.85

Finding the Fourth Proportional to 3,181.14, 4,386.83 and 2,426.85

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Solution

The fourth proportional to 3,181.14, 4,386.83 and 2,426.85 is: 3,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.14 : 4,386.83 = 2,426.85 : x
  2. Step 2: Convert to fraction form
    3,181.14/4,386.83 = 2,426.85/x
  3. Step 3: Cross multiply
    3,181.14x = 4,386.83 × 2,426.85
  4. Step 4: Simplify right side
    3,181.14x = 10,646,166.25
  5. Step 5: Solve for x
    x = 10,646,166.25/3,181.14
  6. Step 6: Final answer
    x = 3,346.65

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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.