Home / 7,525.20-10,385.16-4,168.38

Finding the Fourth Proportional to 7,525.20, 10,385.16 and 4,168.38

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Solution

The fourth proportional to 7,525.20, 10,385.16 and 4,168.38 is: 5,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.20 : 10,385.16 = 4,168.38 : x
  2. Step 2: Convert to fraction form
    7,525.20/10,385.16 = 4,168.38/x
  3. Step 3: Cross multiply
    7,525.20x = 10,385.16 × 4,168.38
  4. Step 4: Simplify right side
    7,525.20x = 43,289,293.24
  5. Step 5: Solve for x
    x = 43,289,293.24/7,525.20
  6. Step 6: Final answer
    x = 5,752.58

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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.