Home / 7,531.25-10,393.11-4,174.07

Finding the Fourth Proportional to 7,531.25, 10,393.11 and 4,174.07

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Solution

The fourth proportional to 7,531.25, 10,393.11 and 4,174.07 is: 5,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.25 : 10,393.11 = 4,174.07 : x
  2. Step 2: Convert to fraction form
    7,531.25/10,393.11 = 4,174.07/x
  3. Step 3: Cross multiply
    7,531.25x = 10,393.11 × 4,174.07
  4. Step 4: Simplify right side
    7,531.25x = 43,381,516.69
  5. Step 5: Solve for x
    x = 43,381,516.69/7,531.25
  6. Step 6: Final answer
    x = 5,760.21

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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.