Home / 3,635.62-5,453.43-1,038.76

Finding the Fourth Proportional to 3,635.62, 5,453.43 and 1,038.76

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Solution

The fourth proportional to 3,635.62, 5,453.43 and 1,038.76 is: 1,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.62 : 5,453.43 = 1,038.76 : x
  2. Step 2: Convert to fraction form
    3,635.62/5,453.43 = 1,038.76/x
  3. Step 3: Cross multiply
    3,635.62x = 5,453.43 × 1,038.76
  4. Step 4: Simplify right side
    3,635.62x = 5,664,804.95
  5. Step 5: Solve for x
    x = 5,664,804.95/3,635.62
  6. Step 6: Final answer
    x = 1,558.14

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1.5x scale

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.