Home / 5,516.77-7,613.13-2,998.87

Finding the Fourth Proportional to 5,516.77, 7,613.13 and 2,998.87

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Solution

The fourth proportional to 5,516.77, 7,613.13 and 2,998.87 is: 4,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.77 : 7,613.13 = 2,998.87 : x
  2. Step 2: Convert to fraction form
    5,516.77/7,613.13 = 2,998.87/x
  3. Step 3: Cross multiply
    5,516.77x = 7,613.13 × 2,998.87
  4. Step 4: Simplify right side
    5,516.77x = 22,830,787.16
  5. Step 5: Solve for x
    x = 22,830,787.16/5,516.77
  6. Step 6: Final answer
    x = 4,138.43

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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.