Home / 2,576.85-3,554.44-1,581.15

Finding the Fourth Proportional to 2,576.85, 3,554.44 and 1,581.15

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Solution

The fourth proportional to 2,576.85, 3,554.44 and 1,581.15 is: 2,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.85 : 3,554.44 = 1,581.15 : x
  2. Step 2: Convert to fraction form
    2,576.85/3,554.44 = 1,581.15/x
  3. Step 3: Cross multiply
    2,576.85x = 3,554.44 × 1,581.15
  4. Step 4: Simplify right side
    2,576.85x = 5,620,102.81
  5. Step 5: Solve for x
    x = 5,620,102.81/2,576.85
  6. Step 6: Final answer
    x = 2,181.00

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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.