Home / 5,416.88-7,476.84-3,627.79

Finding the Fourth Proportional to 5,416.88, 7,476.84 and 3,627.79

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Solution

The fourth proportional to 5,416.88, 7,476.84 and 3,627.79 is: 5,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.88 : 7,476.84 = 3,627.79 : x
  2. Step 2: Convert to fraction form
    5,416.88/7,476.84 = 3,627.79/x
  3. Step 3: Cross multiply
    5,416.88x = 7,476.84 × 3,627.79
  4. Step 4: Simplify right side
    5,416.88x = 27,124,386.69
  5. Step 5: Solve for x
    x = 27,124,386.69/5,416.88
  6. Step 6: Final answer
    x = 5,007.39

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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.