Home / 5,449.72-8,174.66-1,554.13

Finding the Fourth Proportional to 5,449.72, 8,174.66 and 1,554.13

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Solution

The fourth proportional to 5,449.72, 8,174.66 and 1,554.13 is: 2,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.72 : 8,174.66 = 1,554.13 : x
  2. Step 2: Convert to fraction form
    5,449.72/8,174.66 = 1,554.13/x
  3. Step 3: Cross multiply
    5,449.72x = 8,174.66 × 1,554.13
  4. Step 4: Simplify right side
    5,449.72x = 12,704,435.70
  5. Step 5: Solve for x
    x = 12,704,435.70/5,449.72
  6. Step 6: Final answer
    x = 2,331.21

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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.