Home / 5,790.60-7,991.34-3,272.81

Finding the Fourth Proportional to 5,790.60, 7,991.34 and 3,272.81

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Solution

The fourth proportional to 5,790.60, 7,991.34 and 3,272.81 is: 4,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.60 : 7,991.34 = 3,272.81 : x
  2. Step 2: Convert to fraction form
    5,790.60/7,991.34 = 3,272.81/x
  3. Step 3: Cross multiply
    5,790.60x = 7,991.34 × 3,272.81
  4. Step 4: Simplify right side
    5,790.60x = 26,154,137.47
  5. Step 5: Solve for x
    x = 26,154,137.47/5,790.60
  6. Step 6: Final answer
    x = 4,516.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.