Home / 5,117.05-7,057.74-3,524.21

Finding the Fourth Proportional to 5,117.05, 7,057.74 and 3,524.21

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Solution

The fourth proportional to 5,117.05, 7,057.74 and 3,524.21 is: 4,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.05 : 7,057.74 = 3,524.21 : x
  2. Step 2: Convert to fraction form
    5,117.05/7,057.74 = 3,524.21/x
  3. Step 3: Cross multiply
    5,117.05x = 7,057.74 × 3,524.21
  4. Step 4: Simplify right side
    5,117.05x = 24,872,904.98
  5. Step 5: Solve for x
    x = 24,872,904.98/5,117.05
  6. Step 6: Final answer
    x = 4,860.79

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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.