Home / 5,840.47-8,059.89-3,187.90

Finding the Fourth Proportional to 5,840.47, 8,059.89 and 3,187.90

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Solution

The fourth proportional to 5,840.47, 8,059.89 and 3,187.90 is: 4,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.47 : 8,059.89 = 3,187.90 : x
  2. Step 2: Convert to fraction form
    5,840.47/8,059.89 = 3,187.90/x
  3. Step 3: Cross multiply
    5,840.47x = 8,059.89 × 3,187.90
  4. Step 4: Simplify right side
    5,840.47x = 25,694,123.33
  5. Step 5: Solve for x
    x = 25,694,123.33/5,840.47
  6. Step 6: Final answer
    x = 4,399.32

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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.