Home / 3,520.92-5,280.42-1,181.01

Finding the Fourth Proportional to 3,520.92, 5,280.42 and 1,181.01

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Solution

The fourth proportional to 3,520.92, 5,280.42 and 1,181.01 is: 1,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.92 : 5,280.42 = 1,181.01 : x
  2. Step 2: Convert to fraction form
    3,520.92/5,280.42 = 1,181.01/x
  3. Step 3: Cross multiply
    3,520.92x = 5,280.42 × 1,181.01
  4. Step 4: Simplify right side
    3,520.92x = 6,236,228.82
  5. Step 5: Solve for x
    x = 6,236,228.82/3,520.92
  6. Step 6: Final answer
    x = 1,771.19

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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.