Home / 3,635.64-5,453.69-1,038.38

Finding the Fourth Proportional to 3,635.64, 5,453.69 and 1,038.38

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Solution

The fourth proportional to 3,635.64, 5,453.69 and 1,038.38 is: 1,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.64 : 5,453.69 = 1,038.38 : x
  2. Step 2: Convert to fraction form
    3,635.64/5,453.69 = 1,038.38/x
  3. Step 3: Cross multiply
    3,635.64x = 5,453.69 × 1,038.38
  4. Step 4: Simplify right side
    3,635.64x = 5,662,970.16
  5. Step 5: Solve for x
    x = 5,662,970.16/3,635.64
  6. Step 6: Final answer
    x = 1,557.63

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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.