Home / 4,716.64-7,074.95-2,117.75

Finding the Fourth Proportional to 4,716.64, 7,074.95 and 2,117.75

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Solution

The fourth proportional to 4,716.64, 7,074.95 and 2,117.75 is: 3,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.64 : 7,074.95 = 2,117.75 : x
  2. Step 2: Convert to fraction form
    4,716.64/7,074.95 = 2,117.75/x
  3. Step 3: Cross multiply
    4,716.64x = 7,074.95 × 2,117.75
  4. Step 4: Simplify right side
    4,716.64x = 14,982,975.36
  5. Step 5: Solve for x
    x = 14,982,975.36/4,716.64
  6. Step 6: Final answer
    x = 3,176.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.