Home / 5,388.61-7,436.13-2,998.46

Finding the Fourth Proportional to 5,388.61, 7,436.13 and 2,998.46

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Solution

The fourth proportional to 5,388.61, 7,436.13 and 2,998.46 is: 4,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.61 : 7,436.13 = 2,998.46 : x
  2. Step 2: Convert to fraction form
    5,388.61/7,436.13 = 2,998.46/x
  3. Step 3: Cross multiply
    5,388.61x = 7,436.13 × 2,998.46
  4. Step 4: Simplify right side
    5,388.61x = 22,296,903.88
  5. Step 5: Solve for x
    x = 22,296,903.88/5,388.61
  6. Step 6: Final answer
    x = 4,137.78

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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.