Home / 2,935.84-4,047.94-2,536.78

Finding the Fourth Proportional to 2,935.84, 4,047.94 and 2,536.78

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Solution

The fourth proportional to 2,935.84, 4,047.94 and 2,536.78 is: 3,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.84 : 4,047.94 = 2,536.78 : x
  2. Step 2: Convert to fraction form
    2,935.84/4,047.94 = 2,536.78/x
  3. Step 3: Cross multiply
    2,935.84x = 4,047.94 × 2,536.78
  4. Step 4: Simplify right side
    2,935.84x = 10,268,733.23
  5. Step 5: Solve for x
    x = 10,268,733.23/2,935.84
  6. Step 6: Final answer
    x = 3,497.72

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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.