Home / 2,589.86-3,576.35-1,885.75

Finding the Fourth Proportional to 2,589.86, 3,576.35 and 1,885.75

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Solution

The fourth proportional to 2,589.86, 3,576.35 and 1,885.75 is: 2,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.86 : 3,576.35 = 1,885.75 : x
  2. Step 2: Convert to fraction form
    2,589.86/3,576.35 = 1,885.75/x
  3. Step 3: Cross multiply
    2,589.86x = 3,576.35 × 1,885.75
  4. Step 4: Simplify right side
    2,589.86x = 6,744,102.01
  5. Step 5: Solve for x
    x = 6,744,102.01/2,589.86
  6. Step 6: Final answer
    x = 2,604.04

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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.