Home / 6,629.15-9,148.03-3,644.57

Finding the Fourth Proportional to 6,629.15, 9,148.03 and 3,644.57

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Solution

The fourth proportional to 6,629.15, 9,148.03 and 3,644.57 is: 5,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.15 : 9,148.03 = 3,644.57 : x
  2. Step 2: Convert to fraction form
    6,629.15/9,148.03 = 3,644.57/x
  3. Step 3: Cross multiply
    6,629.15x = 9,148.03 × 3,644.57
  4. Step 4: Simplify right side
    6,629.15x = 33,340,649.46
  5. Step 5: Solve for x
    x = 33,340,649.46/6,629.15
  6. Step 6: Final answer
    x = 5,029.40

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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.