Home / 3,583.56-5,375.10-1,118.58

Finding the Fourth Proportional to 3,583.56, 5,375.10 and 1,118.58

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Solution

The fourth proportional to 3,583.56, 5,375.10 and 1,118.58 is: 1,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.56 : 5,375.10 = 1,118.58 : x
  2. Step 2: Convert to fraction form
    3,583.56/5,375.10 = 1,118.58/x
  3. Step 3: Cross multiply
    3,583.56x = 5,375.10 × 1,118.58
  4. Step 4: Simplify right side
    3,583.56x = 6,012,479.36
  5. Step 5: Solve for x
    x = 6,012,479.36/3,583.56
  6. Step 6: Final answer
    x = 1,677.80

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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.