Home / 6,115.67-8,439.62-3,463.07

Finding the Fourth Proportional to 6,115.67, 8,439.62 and 3,463.07

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Solution

The fourth proportional to 6,115.67, 8,439.62 and 3,463.07 is: 4,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.67 : 8,439.62 = 3,463.07 : x
  2. Step 2: Convert to fraction form
    6,115.67/8,439.62 = 3,463.07/x
  3. Step 3: Cross multiply
    6,115.67x = 8,439.62 × 3,463.07
  4. Step 4: Simplify right side
    6,115.67x = 29,226,935.32
  5. Step 5: Solve for x
    x = 29,226,935.32/6,115.67
  6. Step 6: Final answer
    x = 4,779.03

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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.