Home / 6,115.98-8,440.57-3,463.86

Finding the Fourth Proportional to 6,115.98, 8,440.57 and 3,463.86

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Solution

The fourth proportional to 6,115.98, 8,440.57 and 3,463.86 is: 4,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.98 : 8,440.57 = 3,463.86 : x
  2. Step 2: Convert to fraction form
    6,115.98/8,440.57 = 3,463.86/x
  3. Step 3: Cross multiply
    6,115.98x = 8,440.57 × 3,463.86
  4. Step 4: Simplify right side
    6,115.98x = 29,236,901.94
  5. Step 5: Solve for x
    x = 29,236,901.94/6,115.98
  6. Step 6: Final answer
    x = 4,780.42

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1.5x scale

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.