Home / 5,113.26-7,051.60-3,318.86

Finding the Fourth Proportional to 5,113.26, 7,051.60 and 3,318.86

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Solution

The fourth proportional to 5,113.26, 7,051.60 and 3,318.86 is: 4,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.26 : 7,051.60 = 3,318.86 : x
  2. Step 2: Convert to fraction form
    5,113.26/7,051.60 = 3,318.86/x
  3. Step 3: Cross multiply
    5,113.26x = 7,051.60 × 3,318.86
  4. Step 4: Simplify right side
    5,113.26x = 23,403,273.18
  5. Step 5: Solve for x
    x = 23,403,273.18/5,113.26
  6. Step 6: Final answer
    x = 4,576.98

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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.