Home / 8,790.89-13,184.58-2,549.30

Finding the Fourth Proportional to 8,790.89, 13,184.58 and 2,549.30

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Solution

The fourth proportional to 8,790.89, 13,184.58 and 2,549.30 is: 3,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.89 : 13,184.58 = 2,549.30 : x
  2. Step 2: Convert to fraction form
    8,790.89/13,184.58 = 2,549.30/x
  3. Step 3: Cross multiply
    8,790.89x = 13,184.58 × 2,549.30
  4. Step 4: Simplify right side
    8,790.89x = 33,611,449.79
  5. Step 5: Solve for x
    x = 33,611,449.79/8,790.89
  6. Step 6: Final answer
    x = 3,823.44

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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.