Home / 4,020.52-6,015.64-2,790.32

Finding the Fourth Proportional to 4,020.52, 6,015.64 and 2,790.32

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Solution

The fourth proportional to 4,020.52, 6,015.64 and 2,790.32 is: 4,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.52 : 6,015.64 = 2,790.32 : x
  2. Step 2: Convert to fraction form
    4,020.52/6,015.64 = 2,790.32/x
  3. Step 3: Cross multiply
    4,020.52x = 6,015.64 × 2,790.32
  4. Step 4: Simplify right side
    4,020.52x = 16,785,560.60
  5. Step 5: Solve for x
    x = 16,785,560.60/4,020.52
  6. Step 6: Final answer
    x = 4,174.97

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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.