Home / 6,115.34-8,440.68-3,464.31

Finding the Fourth Proportional to 6,115.34, 8,440.68 and 3,464.31

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Solution

The fourth proportional to 6,115.34, 8,440.68 and 3,464.31 is: 4,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.34 : 8,440.68 = 3,464.31 : x
  2. Step 2: Convert to fraction form
    6,115.34/8,440.68 = 3,464.31/x
  3. Step 3: Cross multiply
    6,115.34x = 8,440.68 × 3,464.31
  4. Step 4: Simplify right side
    6,115.34x = 29,241,132.13
  5. Step 5: Solve for x
    x = 29,241,132.13/6,115.34
  6. Step 6: Final answer
    x = 4,781.60

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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.