Home / 7,321.01-10,100.36-4,175.37

Finding the Fourth Proportional to 7,321.01, 10,100.36 and 4,175.37

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Solution

The fourth proportional to 7,321.01, 10,100.36 and 4,175.37 is: 5,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.01 : 10,100.36 = 4,175.37 : x
  2. Step 2: Convert to fraction form
    7,321.01/10,100.36 = 4,175.37/x
  3. Step 3: Cross multiply
    7,321.01x = 10,100.36 × 4,175.37
  4. Step 4: Simplify right side
    7,321.01x = 42,172,750.57
  5. Step 5: Solve for x
    x = 42,172,750.57/7,321.01
  6. Step 6: Final answer
    x = 5,760.51

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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.