Home / 2,133.36-3,196.77-1,437.45

Finding the Fourth Proportional to 2,133.36, 3,196.77 and 1,437.45

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Solution

The fourth proportional to 2,133.36, 3,196.77 and 1,437.45 is: 2,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.36 : 3,196.77 = 1,437.45 : x
  2. Step 2: Convert to fraction form
    2,133.36/3,196.77 = 1,437.45/x
  3. Step 3: Cross multiply
    2,133.36x = 3,196.77 × 1,437.45
  4. Step 4: Simplify right side
    2,133.36x = 4,595,197.04
  5. Step 5: Solve for x
    x = 4,595,197.04/2,133.36
  6. Step 6: Final answer
    x = 2,153.97

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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.