Home / 5,840.64-8,060.24-3,187.92

Finding the Fourth Proportional to 5,840.64, 8,060.24 and 3,187.92

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Solution

The fourth proportional to 5,840.64, 8,060.24 and 3,187.92 is: 4,399.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.64 : 8,060.24 = 3,187.92 : x
  2. Step 2: Convert to fraction form
    5,840.64/8,060.24 = 3,187.92/x
  3. Step 3: Cross multiply
    5,840.64x = 8,060.24 × 3,187.92
  4. Step 4: Simplify right side
    5,840.64x = 25,695,400.30
  5. Step 5: Solve for x
    x = 25,695,400.30/5,840.64
  6. Step 6: Final answer
    x = 4,399.42

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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.