Home / 2,936.68-4,052.49-1,758.40

Finding the Fourth Proportional to 2,936.68, 4,052.49 and 1,758.40

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Solution

The fourth proportional to 2,936.68, 4,052.49 and 1,758.40 is: 2,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.68 : 4,052.49 = 1,758.40 : x
  2. Step 2: Convert to fraction form
    2,936.68/4,052.49 = 1,758.40/x
  3. Step 3: Cross multiply
    2,936.68x = 4,052.49 × 1,758.40
  4. Step 4: Simplify right side
    2,936.68x = 7,125,898.42
  5. Step 5: Solve for x
    x = 7,125,898.42/2,936.68
  6. Step 6: Final answer
    x = 2,426.52

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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.