Home / 5,516.92-7,613.76-3,159.46

Finding the Fourth Proportional to 5,516.92, 7,613.76 and 3,159.46

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Solution

The fourth proportional to 5,516.92, 7,613.76 and 3,159.46 is: 4,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.92 : 7,613.76 = 3,159.46 : x
  2. Step 2: Convert to fraction form
    5,516.92/7,613.76 = 3,159.46/x
  3. Step 3: Cross multiply
    5,516.92x = 7,613.76 × 3,159.46
  4. Step 4: Simplify right side
    5,516.92x = 24,055,370.17
  5. Step 5: Solve for x
    x = 24,055,370.17/5,516.92
  6. Step 6: Final answer
    x = 4,360.29

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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.