Home / 5,516.52-7,615.25-3,279.12

Finding the Fourth Proportional to 5,516.52, 7,615.25 and 3,279.12

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Solution

The fourth proportional to 5,516.52, 7,615.25 and 3,279.12 is: 4,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.52 : 7,615.25 = 3,279.12 : x
  2. Step 2: Convert to fraction form
    5,516.52/7,615.25 = 3,279.12/x
  3. Step 3: Cross multiply
    5,516.52x = 7,615.25 × 3,279.12
  4. Step 4: Simplify right side
    5,516.52x = 24,971,318.58
  5. Step 5: Solve for x
    x = 24,971,318.58/5,516.52
  6. Step 6: Final answer
    x = 4,526.64

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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.