Home / 5,137.15-7,699.48-2,174.45

Finding the Fourth Proportional to 5,137.15, 7,699.48 and 2,174.45

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Solution

The fourth proportional to 5,137.15, 7,699.48 and 2,174.45 is: 3,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.15 : 7,699.48 = 2,174.45 : x
  2. Step 2: Convert to fraction form
    5,137.15/7,699.48 = 2,174.45/x
  3. Step 3: Cross multiply
    5,137.15x = 7,699.48 × 2,174.45
  4. Step 4: Simplify right side
    5,137.15x = 16,742,096.47
  5. Step 5: Solve for x
    x = 16,742,096.47/5,137.15
  6. Step 6: Final answer
    x = 3,259.03

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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.