Home / 5,458.85-8,190.90-2,684.01

Finding the Fourth Proportional to 5,458.85, 8,190.90 and 2,684.01

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Solution

The fourth proportional to 5,458.85, 8,190.90 and 2,684.01 is: 4,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.85 : 8,190.90 = 2,684.01 : x
  2. Step 2: Convert to fraction form
    5,458.85/8,190.90 = 2,684.01/x
  3. Step 3: Cross multiply
    5,458.85x = 8,190.90 × 2,684.01
  4. Step 4: Simplify right side
    5,458.85x = 21,984,457.51
  5. Step 5: Solve for x
    x = 21,984,457.51/5,458.85
  6. Step 6: Final answer
    x = 4,027.31

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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.