Home / 4,078.94-5,629.46-2,310.53

Finding the Fourth Proportional to 4,078.94, 5,629.46 and 2,310.53

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Solution

The fourth proportional to 4,078.94, 5,629.46 and 2,310.53 is: 3,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.94 : 5,629.46 = 2,310.53 : x
  2. Step 2: Convert to fraction form
    4,078.94/5,629.46 = 2,310.53/x
  3. Step 3: Cross multiply
    4,078.94x = 5,629.46 × 2,310.53
  4. Step 4: Simplify right side
    4,078.94x = 13,006,996.51
  5. Step 5: Solve for x
    x = 13,006,996.51/4,078.94
  6. Step 6: Final answer
    x = 3,188.82

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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.