Home / 5,790.18-8,682.96-2,091.12

Finding the Fourth Proportional to 5,790.18, 8,682.96 and 2,091.12

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Solution

The fourth proportional to 5,790.18, 8,682.96 and 2,091.12 is: 3,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.18 : 8,682.96 = 2,091.12 : x
  2. Step 2: Convert to fraction form
    5,790.18/8,682.96 = 2,091.12/x
  3. Step 3: Cross multiply
    5,790.18x = 8,682.96 × 2,091.12
  4. Step 4: Simplify right side
    5,790.18x = 18,157,111.32
  5. Step 5: Solve for x
    x = 18,157,111.32/5,790.18
  6. Step 6: Final answer
    x = 3,135.85

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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.