Home / 5,454.74-8,181.81-1,756.08

Finding the Fourth Proportional to 5,454.74, 8,181.81 and 1,756.08

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Solution

The fourth proportional to 5,454.74, 8,181.81 and 1,756.08 is: 2,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.74 : 8,181.81 = 1,756.08 : x
  2. Step 2: Convert to fraction form
    5,454.74/8,181.81 = 1,756.08/x
  3. Step 3: Cross multiply
    5,454.74x = 8,181.81 × 1,756.08
  4. Step 4: Simplify right side
    5,454.74x = 14,367,912.90
  5. Step 5: Solve for x
    x = 14,367,912.90/5,454.74
  6. Step 6: Final answer
    x = 2,634.02

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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.