Home / 6,114.87-8,438.52-3,320.37

Finding the Fourth Proportional to 6,114.87, 8,438.52 and 3,320.37

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Solution

The fourth proportional to 6,114.87, 8,438.52 and 3,320.37 is: 4,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.87 : 8,438.52 = 3,320.37 : x
  2. Step 2: Convert to fraction form
    6,114.87/8,438.52 = 3,320.37/x
  3. Step 3: Cross multiply
    6,114.87x = 8,438.52 × 3,320.37
  4. Step 4: Simplify right side
    6,114.87x = 28,018,974.02
  5. Step 5: Solve for x
    x = 28,018,974.02/6,114.87
  6. Step 6: Final answer
    x = 4,582.11

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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.