Home / 5,515.15-7,610.04-3,276.96

Finding the Fourth Proportional to 5,515.15, 7,610.04 and 3,276.96

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Solution

The fourth proportional to 5,515.15, 7,610.04 and 3,276.96 is: 4,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.15 : 7,610.04 = 3,276.96 : x
  2. Step 2: Convert to fraction form
    5,515.15/7,610.04 = 3,276.96/x
  3. Step 3: Cross multiply
    5,515.15x = 7,610.04 × 3,276.96
  4. Step 4: Simplify right side
    5,515.15x = 24,937,796.68
  5. Step 5: Solve for x
    x = 24,937,796.68/5,515.15
  6. Step 6: Final answer
    x = 4,521.69

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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.