Home / 7,529.24-10,390.46-4,172.33

Finding the Fourth Proportional to 7,529.24, 10,390.46 and 4,172.33

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Solution

The fourth proportional to 7,529.24, 10,390.46 and 4,172.33 is: 5,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.24 : 10,390.46 = 4,172.33 : x
  2. Step 2: Convert to fraction form
    7,529.24/10,390.46 = 4,172.33/x
  3. Step 3: Cross multiply
    7,529.24x = 10,390.46 × 4,172.33
  4. Step 4: Simplify right side
    7,529.24x = 43,352,355.16
  5. Step 5: Solve for x
    x = 43,352,355.16/7,529.24
  6. Step 6: Final answer
    x = 5,757.87

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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.