Home / 5,135.10-7,702.80-4,023.47

Finding the Fourth Proportional to 5,135.10, 7,702.80 and 4,023.47

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Solution

The fourth proportional to 5,135.10, 7,702.80 and 4,023.47 is: 6,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.10 : 7,702.80 = 4,023.47 : x
  2. Step 2: Convert to fraction form
    5,135.10/7,702.80 = 4,023.47/x
  3. Step 3: Cross multiply
    5,135.10x = 7,702.80 × 4,023.47
  4. Step 4: Simplify right side
    5,135.10x = 30,991,988.88
  5. Step 5: Solve for x
    x = 30,991,988.88/5,135.10
  6. Step 6: Final answer
    x = 6,035.33

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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.