Home / 5,158.88-7,118.16-3,063.68

Finding the Fourth Proportional to 5,158.88, 7,118.16 and 3,063.68

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Solution

The fourth proportional to 5,158.88, 7,118.16 and 3,063.68 is: 4,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.88 : 7,118.16 = 3,063.68 : x
  2. Step 2: Convert to fraction form
    5,158.88/7,118.16 = 3,063.68/x
  3. Step 3: Cross multiply
    5,158.88x = 7,118.16 × 3,063.68
  4. Step 4: Simplify right side
    5,158.88x = 21,807,764.43
  5. Step 5: Solve for x
    x = 21,807,764.43/5,158.88
  6. Step 6: Final answer
    x = 4,227.23

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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.