Home / 2,741.13-4,111.92-892.53

Finding the Fourth Proportional to 2,741.13, 4,111.92 and 892.53

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Solution

The fourth proportional to 2,741.13, 4,111.92 and 892.53 is: 1,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.13 : 4,111.92 = 892.53 : x
  2. Step 2: Convert to fraction form
    2,741.13/4,111.92 = 892.53/x
  3. Step 3: Cross multiply
    2,741.13x = 4,111.92 × 892.53
  4. Step 4: Simplify right side
    2,741.13x = 3,670,011.96
  5. Step 5: Solve for x
    x = 3,670,011.96/2,741.13
  6. Step 6: Final answer
    x = 1,338.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.