Home / 5,918.58-8,875.27-3,144.60

Finding the Fourth Proportional to 5,918.58, 8,875.27 and 3,144.60

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Solution

The fourth proportional to 5,918.58, 8,875.27 and 3,144.60 is: 4,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.58 : 8,875.27 = 3,144.60 : x
  2. Step 2: Convert to fraction form
    5,918.58/8,875.27 = 3,144.60/x
  3. Step 3: Cross multiply
    5,918.58x = 8,875.27 × 3,144.60
  4. Step 4: Simplify right side
    5,918.58x = 27,909,174.04
  5. Step 5: Solve for x
    x = 27,909,174.04/5,918.58
  6. Step 6: Final answer
    x = 4,715.52

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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.