Home / 6,115.93-8,440.18-3,463.28

Finding the Fourth Proportional to 6,115.93, 8,440.18 and 3,463.28

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Solution

The fourth proportional to 6,115.93, 8,440.18 and 3,463.28 is: 4,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.93 : 8,440.18 = 3,463.28 : x
  2. Step 2: Convert to fraction form
    6,115.93/8,440.18 = 3,463.28/x
  3. Step 3: Cross multiply
    6,115.93x = 8,440.18 × 3,463.28
  4. Step 4: Simplify right side
    6,115.93x = 29,230,716.19
  5. Step 5: Solve for x
    x = 29,230,716.19/6,115.93
  6. Step 6: Final answer
    x = 4,779.44

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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.