Home / 2,936.39-4,397.63-2,549.57

Finding the Fourth Proportional to 2,936.39, 4,397.63 and 2,549.57

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Solution

The fourth proportional to 2,936.39, 4,397.63 and 2,549.57 is: 3,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.39 : 4,397.63 = 2,549.57 : x
  2. Step 2: Convert to fraction form
    2,936.39/4,397.63 = 2,549.57/x
  3. Step 3: Cross multiply
    2,936.39x = 4,397.63 × 2,549.57
  4. Step 4: Simplify right side
    2,936.39x = 11,212,030.78
  5. Step 5: Solve for x
    x = 11,212,030.78/2,936.39
  6. Step 6: Final answer
    x = 3,818.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.