Home / 5,516.07-7,612.31-2,998.32

Finding the Fourth Proportional to 5,516.07, 7,612.31 and 2,998.32

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Solution

The fourth proportional to 5,516.07, 7,612.31 and 2,998.32 is: 4,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.07 : 7,612.31 = 2,998.32 : x
  2. Step 2: Convert to fraction form
    5,516.07/7,612.31 = 2,998.32/x
  3. Step 3: Cross multiply
    5,516.07x = 7,612.31 × 2,998.32
  4. Step 4: Simplify right side
    5,516.07x = 22,824,120.27
  5. Step 5: Solve for x
    x = 22,824,120.27/5,516.07
  6. Step 6: Final answer
    x = 4,137.75

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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.