Home / 6,634.38-9,155.40-3,650.16

Finding the Fourth Proportional to 6,634.38, 9,155.40 and 3,650.16

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Solution

The fourth proportional to 6,634.38, 9,155.40 and 3,650.16 is: 5,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.38 : 9,155.40 = 3,650.16 : x
  2. Step 2: Convert to fraction form
    6,634.38/9,155.40 = 3,650.16/x
  3. Step 3: Cross multiply
    6,634.38x = 9,155.40 × 3,650.16
  4. Step 4: Simplify right side
    6,634.38x = 33,418,674.86
  5. Step 5: Solve for x
    x = 33,418,674.86/6,634.38
  6. Step 6: Final answer
    x = 5,037.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.