Home / 7,629.66-10,529.46-4,272.75

Finding the Fourth Proportional to 7,629.66, 10,529.46 and 4,272.75

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Solution

The fourth proportional to 7,629.66, 10,529.46 and 4,272.75 is: 5,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.66 : 10,529.46 = 4,272.75 : x
  2. Step 2: Convert to fraction form
    7,629.66/10,529.46 = 4,272.75/x
  3. Step 3: Cross multiply
    7,629.66x = 10,529.46 × 4,272.75
  4. Step 4: Simplify right side
    7,629.66x = 44,989,750.22
  5. Step 5: Solve for x
    x = 44,989,750.22/7,629.66
  6. Step 6: Final answer
    x = 5,896.69

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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.