Home / 1,936.53-2,899.64-1,113.57

Finding the Fourth Proportional to 1,936.53, 2,899.64 and 1,113.57

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Solution

The fourth proportional to 1,936.53, 2,899.64 and 1,113.57 is: 1,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.53 : 2,899.64 = 1,113.57 : x
  2. Step 2: Convert to fraction form
    1,936.53/2,899.64 = 1,113.57/x
  3. Step 3: Cross multiply
    1,936.53x = 2,899.64 × 1,113.57
  4. Step 4: Simplify right side
    1,936.53x = 3,228,946.55
  5. Step 5: Solve for x
    x = 3,228,946.55/1,936.53
  6. Step 6: Final answer
    x = 1,667.39

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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.