Home / 5,516.72-7,613.22-3,159.62

Finding the Fourth Proportional to 5,516.72, 7,613.22 and 3,159.62

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Solution

The fourth proportional to 5,516.72, 7,613.22 and 3,159.62 is: 4,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.72 : 7,613.22 = 3,159.62 : x
  2. Step 2: Convert to fraction form
    5,516.72/7,613.22 = 3,159.62/x
  3. Step 3: Cross multiply
    5,516.72x = 7,613.22 × 3,159.62
  4. Step 4: Simplify right side
    5,516.72x = 24,054,844.11
  5. Step 5: Solve for x
    x = 24,054,844.11/5,516.72
  6. Step 6: Final answer
    x = 4,360.36

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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.