Home / 4,115.68-5,675.52-3,513.76

Finding the Fourth Proportional to 4,115.68, 5,675.52 and 3,513.76

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Solution

The fourth proportional to 4,115.68, 5,675.52 and 3,513.76 is: 4,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.68 : 5,675.52 = 3,513.76 : x
  2. Step 2: Convert to fraction form
    4,115.68/5,675.52 = 3,513.76/x
  3. Step 3: Cross multiply
    4,115.68x = 5,675.52 × 3,513.76
  4. Step 4: Simplify right side
    4,115.68x = 19,942,415.16
  5. Step 5: Solve for x
    x = 19,942,415.16/4,115.68
  6. Step 6: Final answer
    x = 4,845.47

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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.