Home / 3,635.63-5,453.44-1,038.57

Finding the Fourth Proportional to 3,635.63, 5,453.44 and 1,038.57

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Solution

The fourth proportional to 3,635.63, 5,453.44 and 1,038.57 is: 1,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.63 : 5,453.44 = 1,038.57 : x
  2. Step 2: Convert to fraction form
    3,635.63/5,453.44 = 1,038.57/x
  3. Step 3: Cross multiply
    3,635.63x = 5,453.44 × 1,038.57
  4. Step 4: Simplify right side
    3,635.63x = 5,663,779.18
  5. Step 5: Solve for x
    x = 5,663,779.18/3,635.63
  6. Step 6: Final answer
    x = 1,557.85

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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.