Home / 3,733.12-5,600-1,423.36

Finding the Fourth Proportional to 3,733.12, 5,600 and 1,423.36

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Solution

The fourth proportional to 3,733.12, 5,600 and 1,423.36 is: 2,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,733.12 : 5,600 = 1,423.36 : x
  2. Step 2: Convert to fraction form
    3,733.12/5,600 = 1,423.36/x
  3. Step 3: Cross multiply
    3,733.12x = 5,600 × 1,423.36
  4. Step 4: Simplify right side
    3,733.12x = 7,970,816.00
  5. Step 5: Solve for x
    x = 7,970,816.00/3,733.12
  6. Step 6: Final answer
    x = 2,135.16

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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.