Home / 7,361.88-10,159.68-4,218.69

Finding the Fourth Proportional to 7,361.88, 10,159.68 and 4,218.69

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Solution

The fourth proportional to 7,361.88, 10,159.68 and 4,218.69 is: 5,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.88 : 10,159.68 = 4,218.69 : x
  2. Step 2: Convert to fraction form
    7,361.88/10,159.68 = 4,218.69/x
  3. Step 3: Cross multiply
    7,361.88x = 10,159.68 × 4,218.69
  4. Step 4: Simplify right side
    7,361.88x = 42,860,540.42
  5. Step 5: Solve for x
    x = 42,860,540.42/7,361.88
  6. Step 6: Final answer
    x = 5,821.96

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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.