Home / 6,605.44-9,115.60-3,953.04

Finding the Fourth Proportional to 6,605.44, 9,115.60 and 3,953.04

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Solution

The fourth proportional to 6,605.44, 9,115.60 and 3,953.04 is: 5,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.44 : 9,115.60 = 3,953.04 : x
  2. Step 2: Convert to fraction form
    6,605.44/9,115.60 = 3,953.04/x
  3. Step 3: Cross multiply
    6,605.44x = 9,115.60 × 3,953.04
  4. Step 4: Simplify right side
    6,605.44x = 36,034,331.42
  5. Step 5: Solve for x
    x = 36,034,331.42/6,605.44
  6. Step 6: Final answer
    x = 5,455.25

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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.