Home / 5,495.60-8,240.05-2,159.85

Finding the Fourth Proportional to 5,495.60, 8,240.05 and 2,159.85

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Solution

The fourth proportional to 5,495.60, 8,240.05 and 2,159.85 is: 3,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.60 : 8,240.05 = 2,159.85 : x
  2. Step 2: Convert to fraction form
    5,495.60/8,240.05 = 2,159.85/x
  3. Step 3: Cross multiply
    5,495.60x = 8,240.05 × 2,159.85
  4. Step 4: Simplify right side
    5,495.60x = 17,797,266.59
  5. Step 5: Solve for x
    x = 17,797,266.59/5,495.60
  6. Step 6: Final answer
    x = 3,238.46

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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.