Home / 4,142.84-5,716.70-2,350.40

Finding the Fourth Proportional to 4,142.84, 5,716.70 and 2,350.40

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Solution

The fourth proportional to 4,142.84, 5,716.70 and 2,350.40 is: 3,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.84 : 5,716.70 = 2,350.40 : x
  2. Step 2: Convert to fraction form
    4,142.84/5,716.70 = 2,350.40/x
  3. Step 3: Cross multiply
    4,142.84x = 5,716.70 × 2,350.40
  4. Step 4: Simplify right side
    4,142.84x = 13,436,531.68
  5. Step 5: Solve for x
    x = 13,436,531.68/4,142.84
  6. Step 6: Final answer
    x = 3,243.31

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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.