Home / 5,785.62-8,676.64-2,087.38

Finding the Fourth Proportional to 5,785.62, 8,676.64 and 2,087.38

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Solution

The fourth proportional to 5,785.62, 8,676.64 and 2,087.38 is: 3,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.62 : 8,676.64 = 2,087.38 : x
  2. Step 2: Convert to fraction form
    5,785.62/8,676.64 = 2,087.38/x
  3. Step 3: Cross multiply
    5,785.62x = 8,676.64 × 2,087.38
  4. Step 4: Simplify right side
    5,785.62x = 18,111,444.80
  5. Step 5: Solve for x
    x = 18,111,444.80/5,785.62
  6. Step 6: Final answer
    x = 3,130.42

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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.