Home / 5,137.12-7,703.76-1,849.36

Finding the Fourth Proportional to 5,137.12, 7,703.76 and 1,849.36

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Solution

The fourth proportional to 5,137.12, 7,703.76 and 1,849.36 is: 2,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.12 : 7,703.76 = 1,849.36 : x
  2. Step 2: Convert to fraction form
    5,137.12/7,703.76 = 1,849.36/x
  3. Step 3: Cross multiply
    5,137.12x = 7,703.76 × 1,849.36
  4. Step 4: Simplify right side
    5,137.12x = 14,247,025.59
  5. Step 5: Solve for x
    x = 14,247,025.59/5,137.12
  6. Step 6: Final answer
    x = 2,773.35

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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.