Home / 4,187.58-5,777.68-2,696.36

Finding the Fourth Proportional to 4,187.58, 5,777.68 and 2,696.36

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Solution

The fourth proportional to 4,187.58, 5,777.68 and 2,696.36 is: 3,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.58 : 5,777.68 = 2,696.36 : x
  2. Step 2: Convert to fraction form
    4,187.58/5,777.68 = 2,696.36/x
  3. Step 3: Cross multiply
    4,187.58x = 5,777.68 × 2,696.36
  4. Step 4: Simplify right side
    4,187.58x = 15,578,691.76
  5. Step 5: Solve for x
    x = 15,578,691.76/4,187.58
  6. Step 6: Final answer
    x = 3,720.21

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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.