Home / 2,576.11-3,555.10-1,581.94

Finding the Fourth Proportional to 2,576.11, 3,555.10 and 1,581.94

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Solution

The fourth proportional to 2,576.11, 3,555.10 and 1,581.94 is: 2,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.11 : 3,555.10 = 1,581.94 : x
  2. Step 2: Convert to fraction form
    2,576.11/3,555.10 = 1,581.94/x
  3. Step 3: Cross multiply
    2,576.11x = 3,555.10 × 1,581.94
  4. Step 4: Simplify right side
    2,576.11x = 5,623,954.89
  5. Step 5: Solve for x
    x = 5,623,954.89/2,576.11
  6. Step 6: Final answer
    x = 2,183.12

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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.