Home / 3,513.96-4,849.11-1,942.02

Finding the Fourth Proportional to 3,513.96, 4,849.11 and 1,942.02

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Solution

The fourth proportional to 3,513.96, 4,849.11 and 1,942.02 is: 2,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.96 : 4,849.11 = 1,942.02 : x
  2. Step 2: Convert to fraction form
    3,513.96/4,849.11 = 1,942.02/x
  3. Step 3: Cross multiply
    3,513.96x = 4,849.11 × 1,942.02
  4. Step 4: Simplify right side
    3,513.96x = 9,417,068.60
  5. Step 5: Solve for x
    x = 9,417,068.60/3,513.96
  6. Step 6: Final answer
    x = 2,679.90

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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.