Home / 5,416.68-7,475.46-4,306.78

Finding the Fourth Proportional to 5,416.68, 7,475.46 and 4,306.78

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Solution

The fourth proportional to 5,416.68, 7,475.46 and 4,306.78 is: 5,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.68 : 7,475.46 = 4,306.78 : x
  2. Step 2: Convert to fraction form
    5,416.68/7,475.46 = 4,306.78/x
  3. Step 3: Cross multiply
    5,416.68x = 7,475.46 × 4,306.78
  4. Step 4: Simplify right side
    5,416.68x = 32,195,161.62
  5. Step 5: Solve for x
    x = 32,195,161.62/5,416.68
  6. Step 6: Final answer
    x = 5,943.71

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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.