Home / 3,635.38-5,453.07-1,038.32

Finding the Fourth Proportional to 3,635.38, 5,453.07 and 1,038.32

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Solution

The fourth proportional to 3,635.38, 5,453.07 and 1,038.32 is: 1,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.38 : 5,453.07 = 1,038.32 : x
  2. Step 2: Convert to fraction form
    3,635.38/5,453.07 = 1,038.32/x
  3. Step 3: Cross multiply
    3,635.38x = 5,453.07 × 1,038.32
  4. Step 4: Simplify right side
    3,635.38x = 5,662,004.38
  5. Step 5: Solve for x
    x = 5,662,004.38/3,635.38
  6. Step 6: Final answer
    x = 1,557.47

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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.