Home / 5,515.94-7,612.04-2,998.07

Finding the Fourth Proportional to 5,515.94, 7,612.04 and 2,998.07

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Solution

The fourth proportional to 5,515.94, 7,612.04 and 2,998.07 is: 4,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.94 : 7,612.04 = 2,998.07 : x
  2. Step 2: Convert to fraction form
    5,515.94/7,612.04 = 2,998.07/x
  3. Step 3: Cross multiply
    5,515.94x = 7,612.04 × 2,998.07
  4. Step 4: Simplify right side
    5,515.94x = 22,821,432.80
  5. Step 5: Solve for x
    x = 22,821,432.80/5,515.94
  6. Step 6: Final answer
    x = 4,137.36

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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.