Home / 7,512.07-10,365.75-4,154.43

Finding the Fourth Proportional to 7,512.07, 10,365.75 and 4,154.43

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Solution

The fourth proportional to 7,512.07, 10,365.75 and 4,154.43 is: 5,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.07 : 10,365.75 = 4,154.43 : x
  2. Step 2: Convert to fraction form
    7,512.07/10,365.75 = 4,154.43/x
  3. Step 3: Cross multiply
    7,512.07x = 10,365.75 × 4,154.43
  4. Step 4: Simplify right side
    7,512.07x = 43,063,782.77
  5. Step 5: Solve for x
    x = 43,063,782.77/7,512.07
  6. Step 6: Final answer
    x = 5,732.61

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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.