Home / 3,611.10-5,417.38-2,051.85

Finding the Fourth Proportional to 3,611.10, 5,417.38 and 2,051.85

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Solution

The fourth proportional to 3,611.10, 5,417.38 and 2,051.85 is: 3,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.10 : 5,417.38 = 2,051.85 : x
  2. Step 2: Convert to fraction form
    3,611.10/5,417.38 = 2,051.85/x
  3. Step 3: Cross multiply
    3,611.10x = 5,417.38 × 2,051.85
  4. Step 4: Simplify right side
    3,611.10x = 11,115,643.56
  5. Step 5: Solve for x
    x = 11,115,643.56/3,611.10
  6. Step 6: Final answer
    x = 3,078.19

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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.