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Finding the Fourth Proportional to 5,790.88, 8,674.98 and 2,860.30

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Solution

The fourth proportional to 5,790.88, 8,674.98 and 2,860.30 is: 4,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.88 : 8,674.98 = 2,860.30 : x
  2. Step 2: Convert to fraction form
    5,790.88/8,674.98 = 2,860.30/x
  3. Step 3: Cross multiply
    5,790.88x = 8,674.98 × 2,860.30
  4. Step 4: Simplify right side
    5,790.88x = 24,813,045.29
  5. Step 5: Solve for x
    x = 24,813,045.29/5,790.88
  6. Step 6: Final answer
    x = 4,284.85

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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.