Home / 5,554.22-8,328.50-1,855.12

Finding the Fourth Proportional to 5,554.22, 8,328.50 and 1,855.12

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Solution

The fourth proportional to 5,554.22, 8,328.50 and 1,855.12 is: 2,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.22 : 8,328.50 = 1,855.12 : x
  2. Step 2: Convert to fraction form
    5,554.22/8,328.50 = 1,855.12/x
  3. Step 3: Cross multiply
    5,554.22x = 8,328.50 × 1,855.12
  4. Step 4: Simplify right side
    5,554.22x = 15,450,366.92
  5. Step 5: Solve for x
    x = 15,450,366.92/5,554.22
  6. Step 6: Final answer
    x = 2,781.73

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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.