Home / 5,790.08-7,989.96-3,431.36

Finding the Fourth Proportional to 5,790.08, 7,989.96 and 3,431.36

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Solution

The fourth proportional to 5,790.08, 7,989.96 and 3,431.36 is: 4,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.08 : 7,989.96 = 3,431.36 : x
  2. Step 2: Convert to fraction form
    5,790.08/7,989.96 = 3,431.36/x
  3. Step 3: Cross multiply
    5,790.08x = 7,989.96 × 3,431.36
  4. Step 4: Simplify right side
    5,790.08x = 27,416,429.15
  5. Step 5: Solve for x
    x = 27,416,429.15/5,790.08
  6. Step 6: Final answer
    x = 4,735.07

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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.