Home / 3,585.44-5,381.40-1,636.58

Finding the Fourth Proportional to 3,585.44, 5,381.40 and 1,636.58

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Solution

The fourth proportional to 3,585.44, 5,381.40 and 1,636.58 is: 2,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.44 : 5,381.40 = 1,636.58 : x
  2. Step 2: Convert to fraction form
    3,585.44/5,381.40 = 1,636.58/x
  3. Step 3: Cross multiply
    3,585.44x = 5,381.40 × 1,636.58
  4. Step 4: Simplify right side
    3,585.44x = 8,807,091.61
  5. Step 5: Solve for x
    x = 8,807,091.61/3,585.44
  6. Step 6: Final answer
    x = 2,456.35

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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.