Home / 5,458.16-8,188.83-1,760.31

Finding the Fourth Proportional to 5,458.16, 8,188.83 and 1,760.31

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Solution

The fourth proportional to 5,458.16, 8,188.83 and 1,760.31 is: 2,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.16 : 8,188.83 = 1,760.31 : x
  2. Step 2: Convert to fraction form
    5,458.16/8,188.83 = 1,760.31/x
  3. Step 3: Cross multiply
    5,458.16x = 8,188.83 × 1,760.31
  4. Step 4: Simplify right side
    5,458.16x = 14,414,879.34
  5. Step 5: Solve for x
    x = 14,414,879.34/5,458.16
  6. Step 6: Final answer
    x = 2,640.98

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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.