Home / 5,516.54-7,612.98-2,998.82

Finding the Fourth Proportional to 5,516.54, 7,612.98 and 2,998.82

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Solution

The fourth proportional to 5,516.54, 7,612.98 and 2,998.82 is: 4,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.54 : 7,612.98 = 2,998.82 : x
  2. Step 2: Convert to fraction form
    5,516.54/7,612.98 = 2,998.82/x
  3. Step 3: Cross multiply
    5,516.54x = 7,612.98 × 2,998.82
  4. Step 4: Simplify right side
    5,516.54x = 22,829,960.72
  5. Step 5: Solve for x
    x = 22,829,960.72/5,516.54
  6. Step 6: Final answer
    x = 4,138.45

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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.