Home / 5,051.27-7,577.93-2,129.57

Finding the Fourth Proportional to 5,051.27, 7,577.93 and 2,129.57

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Solution

The fourth proportional to 5,051.27, 7,577.93 and 2,129.57 is: 3,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.27 : 7,577.93 = 2,129.57 : x
  2. Step 2: Convert to fraction form
    5,051.27/7,577.93 = 2,129.57/x
  3. Step 3: Cross multiply
    5,051.27x = 7,577.93 × 2,129.57
  4. Step 4: Simplify right side
    5,051.27x = 16,137,732.39
  5. Step 5: Solve for x
    x = 16,137,732.39/5,051.27
  6. Step 6: Final answer
    x = 3,194.79

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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.